omap3_pandora: Only set bootargs if distro_bootcmd failed to load.

As bootargs is hard-coded for the default behavior on the
omap3_pandora, only set the bootargs if distro_bootcmd fails to
load. This leaves distro_bootcmd free to use alternate boot arguments.

Signed-off-by: Vagrant Cascadian <vagrant@debian.org>
1 file changed