drm/amdgpu: add navi12 asic type

Add asic type.
Signed-off-by: Xiaojie Yuan <xiaojie.yuan@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

@@ -103,6 +103,7 @@ static const char *amdgpu_asic_name[] = {
 	"ARCTURUS",
 	"NAVI10",
 	"NAVI14",
+	"NAVI12",
 	"LAST",
 };
 

include/drm/amd_asic_type.h

@@ -52,6 +52,7 @@ enum amd_asic_type {
 	CHIP_ARCTURUS,
 	CHIP_NAVI10,
 	CHIP_NAVI14,
+	CHIP_NAVI12,
 	CHIP_LAST,
 };