power: axp: Remove redundant code

In axp_init after checking the chip ID there is an else clause that
returns ret. ret is guaranteed to be 0 at this point as the code would
have returned above if not. The next statement is a return 0 so the
return ret is redundant, remove it.

This issue was found by Smatch.

Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>

drivers/power/axp818.c

@@ -248,8 +248,6 @@ int axp_init(void)
 
 	if (!(axp_chip_id == 0x51))
 		return -ENODEV;
-	else
-		return ret;
 
 	return 0;
 }