IoctlEmulation: Add missing nouveau ioctl

The NVIF ioctl isn't publicly described in the nouveau headers and it is
required for anything to work with Nouveau.

Pass the ioctl command through without modification and hope that this
ioctl is architecture agnostic.

Source/Tools/LinuxEmulation/LinuxSyscalls/x32/IoctlEmulation.cpp

@@ -360,6 +360,8 @@ namespace FEX::HLE::x32 {
 #define _CUSTOM_META_OFFSET(name, ioctl_num, offset)
       // DRM
 #include "LinuxSyscalls/x32/Ioctl/nouveau_drm.inl"
+        // Let's hope NVIF is arch agnostic.
+        case DRM_COMMAND_BASE + DRM_NOUVEAU_NVIF:
         {
           uint64_t Result = ::ioctl(fd, cmd, args);
           SYSCALL_ERRNO();