Staging: sm7xx: Fixed space-before-tab coding style issues in smtcfb.c

Patch for smtcfb.c that removes spaces before tabs in the comments at
the beginning of the file.

Signed-off-by: Patrick Rooney <candyguitar@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>