TCPMv2: Get SNK Caps after PR_Swap in SNK startup
TCPMv2: Get SNK Caps after PR_Swap in SNK startup

If we support FRS, we should query the SRC sink_capabilities on entry to
SNK_Ready. Currently we queue up this when we enter snk_startup, but
only when it isn't due to a power role swap. Some devices will change
their sink capabilities depending on what their current status is, so we
should check again following a power role swap.

BUG=b:181156774
TEST=make buildall
TEST=Check that get_sink_capabilities message is sent following a
SRC->SNK power role swap
BRANCH=none

Signed-off-by: Eric Herrmann <12250e28c55eb76c3d4c0703db67acc60d621e70@chromium.org>
Change-Id: I5f1cbe2b300e8c29bef16336bd7ddfa8f7a8b2c7
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2718495
Reviewed-by: Nathan Kolluru <bc2d92dd98caa1d939292891a48c5ccc55a8a8d0@google.com>
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