drm/amd/include/vg20: adjust VCE_BASE to reuse vce 4.0 header files

Vega20 uses vce 4.1 engine, all the registers have the
same absolute offset with vce 4.0. By adjusting vega20
VCE_BASE, vce 4.1 can reuse vce 4.0 header files.
Signed-off-by: James Zhu <James.Zhu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/include/vega20_ip_offset.h

@@ -144,7 +144,8 @@ static const struct IP_BASE UVD_BASE            ={ { { { 0x00007800, 0x00007E00,
                                         { { 0, 0, 0, 0, 0, 0 } },
                                         { { 0, 0, 0, 0, 0, 0 } },
                                         { { 0, 0, 0, 0, 0, 0 } } } };
-static const struct IP_BASE VCE_BASE            ={ { { { 0x00008800, 0, 0, 0, 0, 0 } },
+/* Adjust VCE_BASE to make vce_4_1 use vce_4_0 offset header files*/
+static const struct IP_BASE VCE_BASE            ={ { { { 0x00007E00/* 0x00008800 */, 0, 0, 0, 0, 0 } },
                                         { { 0, 0, 0, 0, 0, 0 } },
                                         { { 0, 0, 0, 0, 0, 0 } },
                                         { { 0, 0, 0, 0, 0, 0 } },