Agah: Remove UNUSED(PIN(7, 3))
Agah: Remove UNUSED(PIN(7, 3))

GPIO73 is used for TA2.

BUG=b:240286399
BRANCH=None
TEST=buildall

Signed-off-by: Daisuke Nojiri <fd5f93af191bf7e8f73ea71cc3c0f66b41b1dd49@chromium.org>
Change-Id: Iab25222c81061c87802a3193c14f7d948bd3931b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3867531
Reviewed-by: Tim Wawrzynczak <86444811eee8c2cb29e29a251d7a069e64ccc665@chromium.org>

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