staging: sm750fb: coding style global ERROR fixes

kernel coding style fixes for below messages from
scripts/checkpatch.pl

ERROR: do not initialise globals to 0 or NULL

Signed-off-by: Vinay Simha BN <simhavcs@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2 files changed