drm/amdgpu: add VCN1 hardware IP

So we can store the VCN IP revision for each instance of VCN.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -744,6 +744,7 @@ enum amd_hw_ip_block_type {
 	UVD_HWIP,
 	VCN_HWIP = UVD_HWIP,
 	JPEG_HWIP = VCN_HWIP,
+	VCN1_HWIP,
 	VCE_HWIP,
 	DF_HWIP,
 	DCE_HWIP,