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manu
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2018-11-26T16:38:39.198159Z
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V 376
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

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