[video_core] fix nixOS flake build patch (#339)

See https://github.com/NixOS/nixpkgs/pull/406630/files

Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/339
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>

src/video_core/host1x/vic.cpp

@@ -17,6 +17,8 @@
 #elif defined(ARCHITECTURE_arm64)
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wimplicit-int-conversion"
+#pragma GCC diagnostic ignored "-Wconversion"
+#pragma GCC diagnostic ignored "-Wshadow"
 #include <sse2neon.h>
 #pragma GCC diagnostic pop
 #endif