commit 1f677e4266b1265fca9c8cc93f755900b3ce7503
author xypron.glpk@gmx.de <xypron.glpk@gmx.de> Sat Apr 15 21:30:39 2017 +0200
committer Tom Rini <trini@konsulko.com> Mon May 01 11:49:48 2017 -0400
tree 6e2b694ba81f3224446daf303e42f8981271dc10
parent 2681e78a5ee0e3d6d45abc195c81d1c527fcea0b

meson: gxbb: enable MMC as boot target

To enable automatic booting from SD card or eMMC the MMC
devices 0, 1, and 2 are added to the BOOT_TARGET_DEVICES.

Booting from SD card, eMMC, and DHCP are tried in sequence.
A missing or failing device is gracefully handled.

Cc: Andreas Färber <afaerber@suse.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Tested-by: Vagrant Cascadian <vagrant@debian.org>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Tested-by: Andreas Färber <afaerber@suse.de>