zephyr: asurada: Add common header in usb_pd_policy
zephyr: asurada: Add common header in usb_pd_policy

For ECOS the common baseboard header comes via the baseboard.h file
which is always included. Zephyr does not include baseboard.h so
include the common baseboard header here.

BUG=b:189855648
BRANCH=none
TEST=with other CLs, build asurada for Zephyr

Signed-off-by: Simon Glass <c00b0378376498bd9cd974c388df8854c0131d27@chromium.org>
Change-Id: Ie3fa61673e695fcde851adfaeab5b51987f97b0d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2957549
Reviewed-by: Denis Brockus <6b21e8190fb5e373363fb95271367073a16474ef@chromium.org>

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