cmake: Add VDPAU and NVDEC support to FFmpeg

Adds {h264_,vp9_}{nvdec,vdpau} hwaccels.

src/video_core/CMakeLists.txt

@@ -231,6 +231,7 @@ endif()
 
 target_include_directories(video_core PRIVATE ${FFmpeg_INCLUDE_DIR})
 target_link_libraries(video_core PRIVATE ${FFmpeg_LIBRARIES})
+target_link_options(video_core PRIVATE ${FFmpeg_LDFLAGS})
 
 add_dependencies(video_core host_shaders)
 target_include_directories(video_core PRIVATE ${HOST_SHADERS_INCLUDE})