update libdevuansdk revision - arm-sdk - os build toolkit for various embedded devices

commit 21d7d38a6320f2d4536f539e9cb4a5f558a3a872
parent 31edae95eee142d7bded9d36e9f861e01ccadb37
Author: parazyd <parazyd@dyne.org>
Date:   Tue,  3 Oct 2017 09:47:01 +0200

update libdevuansdk revision

	arm-sdk os build toolkit for various embedded devices
	git clone https://git.parazyd.org/arm-sdk
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