firmware: arm_scmi: Clean up a return statement in scmi_probe

The comments say "enabled" where "disabled" is intended.  Also it's
cleaner to return zero explicitly instead of ret.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/Y86im5M49p3ePGxj@kiliSigned-off-by: Sudeep Holla <sudeep.holla@arm.com>

drivers/firmware/arm_scmi/driver.c

@@ -2739,8 +2739,8 @@ static int scmi_probe(struct platform_device *pdev)
 				if (ret)
 					goto clear_dev_req_notifier;
 
-				/* Bail out anyway when coex enabled */
-				return ret;
+				/* Bail out anyway when coex disabled. */
+				return 0;
 			}
 
 			/* Coex enabled, carry on in any case. */