drm/amdgpu: Fix header file dependencies

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h

@@ -26,6 +26,7 @@
 
 #include <drm/amdgpu_drm.h>
 #include <drm/gpu_scheduler.h>
+#include <drm/drm_print.h>
 
 /* max number of rings */
 #define AMDGPU_MAX_RINGS		18

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h

@@ -28,6 +28,7 @@
 #include <linux/kfifo.h>
 #include <linux/rbtree.h>
 #include <drm/gpu_scheduler.h>
+#include <drm/drm_file.h>
 
 #include "amdgpu_sync.h"
 #include "amdgpu_ring.h"