power: Call power_chipset_handle_host_sleep_event on state reset
power: Call power_chipset_handle_host_sleep_event on state reset

Any time the host sleep state is updated (including reset of host
sleep state), make a callback into
power_chipset_handle_host_sleep_event to allow mainboard and chipset
to take any necessary action.

BUG=b:65421825
BRANCH=None
TEST=make -j buildall

Change-Id: Ib4d35fa0b417500090361e4e26415feedb663e35
Signed-off-by: Furquan Shaikh <6be5c96c464778f89679b1062a2e0a6af93d2aa5@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/683797
Reviewed-by: Aaron Durbin <af0622ab041e8b0f8e5819838dcc93898196e71f@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec