TCPMv2: Clear flags during Data Reset
TCPMv2: Clear flags during Data Reset

Clear PE flags for protocol error and discard while processing them
instead of waiting for Error Recovery to reinitialize the PE.

BUG=b:209624473,b:209625351
TEST=make buildall
BRANCH=none

Signed-off-by: Abe Levkoy <2e1ad7039298f93262cf06bbb457275fb3e2ecb5@chromium.org>
Change-Id: I90102bfa5ab591124ce73b670785c66129e23e4e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3624939
Reviewed-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>

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