staging: vt6655: Remove unnecessary braces in aes_ccmp.c

This patch fixes the checkpatch warnings:
	WARNING: braces {} are not necessary for single statement blocks

Signed-off-by: Jelena Bjelja <jelena.bjelja.ing@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>