drm/nouveau: drop drm/ prefix from include

Similar to the rest of the DRM UAPI - these are to be imported
unmodified into libdrm. In current form that's impossible.
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com>
Acked-by: Ben Skeggs <bskeggs@redhat.com>

include/uapi/drm/nouveau_drm.h

@@ -27,7 +27,7 @@
 
 #define DRM_NOUVEAU_EVENT_NVIF                                       0x80000000
 
-#include <drm/drm.h>
+#include "drm.h"
 
 #if defined(__cplusplus)
 extern "C" {