TCPMv2: PR_Swap SRC->SNK should send PS_RDY in current AMS
TCPMv2: PR_Swap SRC->SNK should send PS_RDY in current AMS

The SRC->SNK PR_Swap is currently starting a new AMS for the
SNK PS_RDY and this causes the partner to disconnect from the
bus instead of continuing with the swap.

BUG=b:165794652
BRANCH=none
TEST=DUT-DUT PR_Swap

Signed-off-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@google.com>
Change-Id: Id953a9b6f78057777617d06f518eb17b061b6f92
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2365057
Tested-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Reviewed-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Commit-Queue: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>

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