ARM: s3c: Remove unnecessary break in RX1950

There is a return above the break.  The break here is unnecessary.
Remove it.

Signed-off-by: Wan Jiabing <wanjiabing@vivo.com>
Link: https://lore.kernel.org/r/20210409064920.1096367-1-wanjiabing@vivo.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>

arch/arm/mach-s3c/mach-rx1950.c

@@ -271,7 +271,6 @@ static int rx1950_led_blink_set(struct gpio_desc *desc, int state,
 		break;
 	default:
 		return -EINVAL;
-		break;
 	}
 
 	if (delay_on && delay_off && !*delay_on && !*delay_off)