usb: typec: intel_pmc_mux: Add missed error check for devm_ioremap_resource()

devm_ioremap_resource() can return an error, add missed check for it.

Fixes: 43d596e32276 ("usb: typec: intel_pmc_mux: Check the port status before connect")
Reviewed-by: Heikki Krogerus <[e-mail]>
Signed-off-by: Andy Shevchenko <[e-mail]>
Cc: stable <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/typec/mux/intel_pmc_mux.c

···
 		return -ENOMEM;
 	}
 
+	if (IS_ERR(pmc->iom_base)) {
+		put_device(&adev->dev);
+		return PTR_ERR(pmc->iom_base);
+	}
+
 	pmc->iom_adev = adev;
 
 	return 0;