staging: sm750fb: fix indentation of pointer operator

Fix indentation of pointer operator '*' according to checkpatch.pl message:
"ERROR: 'foo* bar' should be 'foo *bar' "

Signed-off-by: Anatoly Stepanov <drivengroove@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>