drm/amdgpu: add sienna_cichlid asic type

Signed-off-by: Likun Gao <Likun.Gao@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_device.c

@@ -112,6 +112,7 @@ const char *amdgpu_asic_name[] = {
 	"NAVI10",
 	"NAVI14",
 	"NAVI12",
+	"SIENNA_CICHLID",
 	"LAST",
 };
 

include/drm/amd_asic_type.h

@@ -54,6 +54,7 @@ enum amd_asic_type {
 	CHIP_NAVI10,	/* 25 */
 	CHIP_NAVI14,	/* 26 */
 	CHIP_NAVI12,	/* 27 */
+	CHIP_SIENNA_CICHLID,	/* 28 */
 	CHIP_LAST,
 };