drm/amdgpu: add picasso to asic_type enum

Add picasso to amd_asic_type enum and amdgpu_asic_name[].

Signed-off-by: Likun Gao <Likun.Gao@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/amdgpu/amdgpu_device.c

@@ -89,6 +89,7 @@ static const char *amdgpu_asic_name[] = {
 	"VEGA12",
 	"VEGA20",
 	"RAVEN",
+	"PICASSO",
 	"LAST",
 };