OMAP3: Beagle: add back boot.scr support

Removing boot.scr support broke some external bootscripts
that depended on it.

This patch restores boot.scr support but leaves uEnv.txt
support in.

uEnv.txt still works and if both files exist then uEnv.txt
takes precedence.

Signed-off-by: John Rigby <john.rigby@linaro.org>
1 file changed