drm/amd/powerplay: update smu10_verify_smc_interface() to be raven2 compatible

Check the raven2 version number as well.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/smumgr/smu10_smumgr.c

@@ -177,7 +177,8 @@ static int smu10_verify_smc_interface(struct pp_hwmgr *hwmgr)
 			PPSMC_MSG_GetDriverIfVersion);
 	smc_driver_if_version = smu10_read_arg_from_smc(hwmgr);
 
-	if (smc_driver_if_version != SMU10_DRIVER_IF_VERSION) {
+	if ((smc_driver_if_version != SMU10_DRIVER_IF_VERSION) &&
+	    (smc_driver_if_version != SMU10_DRIVER_IF_VERSION + 1)) {
 		pr_err("Attempt to read SMC IF Version Number Failed!\n");
 		return -EINVAL;
 	}