staging: ccree: - style fix, spaces and tabs

Changed code indent to be tabs across whole driver
Found using checkpatch

Signed-off-by: Derek Robson <robsonde@gmail.com>
Acked-by: Gilad Ben-Yossef <gilad@benyossef.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>