Trembyle: Add chipset_handle_espi_reset_assert code
Trembyle: Add chipset_handle_espi_reset_assert code

Added code for chipset_handle_espi_reset_assert.
Fixed a couple #ifdef conditions using IS_ENABLED

BUG=b:138600676
BRANCH=none
TEST=make buildall -j

Change-Id: I937ba3522d268b9151a4ed5134425e8b6a03796a
Signed-off-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1750801
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Reviewed-by: Edward Hill <db1406b34e091703092b6b136bdfeb2c8125fc0e@chromium.org>

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