asurada: add baseboard_init into common zephyr/cros-ec
asurada: add baseboard_init into common zephyr/cros-ec

This was added to baseboard.c but does not seem to be there
anymore. The GPIOs are needed to enable USB-A after XHCI is
completely initialized.

BUG=b:187149602
BRANCH=none
TEST=verify boot GPIOs enable USB-A VBUS after XHCI_INIT_DONE

Signed-off-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@google.com>
Change-Id: Ieb5fb2e77722c308b3675cb54884115e4f88912a
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3033323
Tested-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>
Auto-Submit: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Commit-Queue: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>

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