drm/amdgpu: add vcn ip block functions (v2)

Fill in the core VCN 1.0 setup functionality.

v2: squash in fixup (Alex)
Signed-off-by: Leo Liu <leo.liu@amd.com>
Acked-by: Chunming Zhou <david1.zhou@amd.com>
Acked-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/Makefile

@@ -95,7 +95,8 @@ amdgpu-y += \
 
 # add VCN block
 amdgpu-y += \
-	amdgpu_vcn.o
+	amdgpu_vcn.o \
+	vcn_v1_0.o
 
 # add amdkfd interfaces
 amdgpu-y += \

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

@@ -62,8 +62,9 @@ enum amdgpu_ih_clientid
     AMDGPU_IH_CLIENTID_MP0	    = 0x1e,
     AMDGPU_IH_CLIENTID_MP1	    = 0x1f,
 
-    AMDGPU_IH_CLIENTID_MAX
+    AMDGPU_IH_CLIENTID_MAX,
 
+    AMDGPU_IH_CLIENTID_VCN	    = AMDGPU_IH_CLIENTID_UVD
 };
 
 #define AMDGPU_IH_CLIENTID_LEGACY 0