uboot-imx

ARM: at91: sama5: Extend boot device autodetection

Extend the boot device autodetection from SAMA5D2 only to the entire
SAMA5Dx family of microcontrollers.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Andreas Bießmann <andreas.devel@googlemail.com>
Cc: Wenyou Yang <wenyou.yang@atmel.com>
Reviewed-by: Andreas Bießmann <andreas@biessmann.org>
[minor compile fix for SAMA5D2]
Signed-off-by: Andreas Bießmann <andreas@biessmann.org>