zephyr: herobrine: Enable FRS
zephyr: herobrine: Enable FRS

Enable Fast Role Swap

BUG=b:218692410
TEST=zmake configure -b herobrine
BRANCH=main

Signed-off-by: Sam Hurst <500b4cddcd66abe3fe333e92c4c95d7f41e62e4e@google.com>
Change-Id: Ie327bda24405c7ec04ffa0c9cd6253fb13b504e3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3508586
Reviewed-by: Wai-Hong Tam <04b587fdf5845741a0c5a8b9cd59ca72d73ef8fc@google.com>

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