staging: ccree: Strip trailing whitespace

Fix the 994 trailing whitespace checkpatch errors out of 1571
checkpatch issues in the ccree driver

Signed-off-by: Timothée Isnard <timotheecisnard@gmail.com>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>