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>