win: add support for legacy DCH driver 474.64

Generated with:

./win/tools/autopatch/autopatch.py 474.64 \
  -S 8BF085C0750549892FEB 89450885C07504 \
  -R 89450885C075048937EB 33C08945087504 \
  -T 'Display.Driver/nvencodeapi64.dl_' 'Display.Driver/nvencodeapi.dl_'

drivers.json

@@ -3645,6 +3645,15 @@
                     "patch32_url": "win10_x64/474.44/nvencodeapi.1337",
                     "driver_url": "https://international.download.nvidia.com/Windows/474.44/474.44-desktop-win10-win11-64bit-international-dch-whql.exe"
                 },
+                {
+                    "os": "win10",
+                    "product": "GeForce",
+                    "version": "474.64",
+                    "variant": "DCH",
+                    "patch64_url": "win10_x64/474.64/nvencodeapi64.1337",
+                    "patch32_url": "win10_x64/474.64/nvencodeapi.1337",
+                    "driver_url": "https://international.download.nvidia.com/Windows/474.64/474.64-desktop-win10-win11-64bit-international-dch-whql.exe"
+                },
                 {
                     "os": "win10",
                     "product": "GeForce",

win/README.md

@@ -176,6 +176,7 @@ Credits to [TroubleChute channel](https://www.youtube.com/channel/UCkih2oVTbXPEp
 | GeForce | 474.14 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/474.14/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/474.14/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/474.14/474.14-desktop-win10-win11-64bit-international-dch-whql.exe) |
 | GeForce | 474.30 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/474.30/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/474.30/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/474.30/474.30-desktop-win10-win11-64bit-international-dch-whql.exe) |
 | GeForce | 474.44 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/474.44/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/474.44/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/474.44/474.44-desktop-win10-win11-64bit-international-dch-whql.exe) |
+| GeForce | 474.64 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/474.64/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/474.64/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/474.64/474.64-desktop-win10-win11-64bit-international-dch-whql.exe) |
 | GeForce | 511.23 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/511.23/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/511.23/nvencodeapi.1337) | [Driver link](http://international.download.nvidia.com/Windows/511.23/511.23-desktop-win10-win11-64bit-international-dch-whql.exe) |
 | GeForce | 511.65 Studio Driver | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/nsd_511.65/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/nsd_511.65/nvencodeapi.1337) | [Driver link](https://international.download.nvidia.com/Windows/511.65/511.65-desktop-win10-win11-64bit-international-nsd-dch-whql.exe) |
 | GeForce | 511.79 DCH | [x64 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/511.79/nvencodeapi64.1337) | [x86 library patch](https://raw.githubusercontent.com/keylase/nvidia-patch/master/win/win10_x64/511.79/nvencodeapi.1337) | [Driver link](http://international.download.nvidia.com/Windows/511.79/511.79-desktop-win10-win11-64bit-international-dch-whql.exe) |

win/win10_x64/474.64/nvencodeapi.1337

@@ -0,0 +1,6 @@
+>nvencodeapi.dll
+000000000003D748:89->33
+000000000003D749:45->C0
+000000000003D74A:08->89
+000000000003D74B:85->45
+000000000003D74C:C0->08

win/win10_x64/474.64/nvencodeapi64.1337

@@ -0,0 +1,9 @@
+>nvencodeapi64.dll
+00000000000437CC:8B->89
+00000000000437CD:F0->45
+00000000000437CE:85->08
+00000000000437CF:C0->85
+00000000000437D0:75->C0
+00000000000437D1:05->75
+00000000000437D2:49->04
+00000000000437D4:2F->37