hibernation: constify platform_hibernation_ops

Patch against mainline.

Changes since v1: added one hunk; no longer adding "const" qualifier to
pointers in platform_hibernation_ops after seeing
b4144e4f6e3b448d322095ca08af393682a69e33.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
3 files changed