drm/amdgpu: bump minor for gang submit

Since that has now landed bump the minor to let userspace know about it.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -102,9 +102,10 @@
  * - 3.46.0 - To enable hot plug amdgpu tests in libdrm
  * - 3.47.0 - Add AMDGPU_GEM_CREATE_DISCARDABLE and AMDGPU_VM_NOALLOC flags
  * - 3.48.0 - Add IP discovery version info to HW INFO
+ *   3.49.0 - Add gang submit into CS IOCTL
  */
 #define KMS_DRIVER_MAJOR	3
-#define KMS_DRIVER_MINOR	48
+#define KMS_DRIVER_MINOR	49
 #define KMS_DRIVER_PATCHLEVEL	0
 
 int amdgpu_vram_limit;