drm/amdgpu: simplify the logic in amdgpu_device_parse_gpu_info_fw()

Drop all of the extra cases in the default case.
Reviewed-by: Guchun Chen <guchun.chen@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_device.c

@@ -1942,35 +1942,6 @@ static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device *adev)
 	}
 
 	switch (adev->asic_type) {
-#ifdef CONFIG_DRM_AMDGPU_SI
-	case CHIP_VERDE:
-	case CHIP_TAHITI:
-	case CHIP_PITCAIRN:
-	case CHIP_OLAND:
-	case CHIP_HAINAN:
-#endif
-#ifdef CONFIG_DRM_AMDGPU_CIK
-	case CHIP_BONAIRE:
-	case CHIP_HAWAII:
-	case CHIP_KAVERI:
-	case CHIP_KABINI:
-	case CHIP_MULLINS:
-#endif
-	case CHIP_TOPAZ:
-	case CHIP_TONGA:
-	case CHIP_FIJI:
-	case CHIP_POLARIS10:
-	case CHIP_POLARIS11:
-	case CHIP_POLARIS12:
-	case CHIP_VEGAM:
-	case CHIP_CARRIZO:
-	case CHIP_STONEY:
-	case CHIP_VEGA20:
-	case CHIP_ALDEBARAN:
-	case CHIP_SIENNA_CICHLID:
-	case CHIP_NAVY_FLOUNDER:
-	case CHIP_DIMGREY_CAVEFISH:
-	case CHIP_BEIGE_GOBY:
 	default:
 		return 0;
 	case CHIP_VEGA10: