staging: sm750fb: Make function arguments alignment match open parenthesis

Make function arguments alignment match open parenthesis.
Found using checkpatch.pl.

Signed-off-by: R Veera Kumar <vkor@vkten.in>
Link: https://lore.kernel.org/r/20200413160753.3787-1-vkor@vkten.in


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>