drm/amdgpu: add the ring type definition of MES

Add a new ring type definition.
Signed-off-by: Jack Xiao <Jack.Xiao@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -62,7 +62,8 @@ enum amdgpu_ring_type {
 	AMDGPU_RING_TYPE_VCN_DEC	= AMDGPU_HW_IP_VCN_DEC,
 	AMDGPU_RING_TYPE_VCN_ENC	= AMDGPU_HW_IP_VCN_ENC,
 	AMDGPU_RING_TYPE_VCN_JPEG	= AMDGPU_HW_IP_VCN_JPEG,
-	AMDGPU_RING_TYPE_KIQ
+	AMDGPU_RING_TYPE_KIQ,
+	AMDGPU_RING_TYPE_MES
 };
 
 enum amdgpu_ib_pool_type {