release: arm64: Add PINEBOOK config
Add a configuration for PINEBOOK image.
Pinebook is a arm64 laptop based on a Pine64 board.
Since the usb trackpad need a quirk, add a common function for adding
quirk for arm board.
A default one is supplied as most board to not need quirks.
Reviewed by: gjb
MFC after: 1 month
Differential Revision: https://reviews.freebsd.org/D18337