a38x: copy the content of 'bootcmd' to 'bootcmd_lgcy'

	- Save original 'bootcmd' in 'bootcmd_lgcy' - used for
	  Linux uImage boot (bootm) with with no Device tree.

	* 'bootcmd' env. variable will be used for zImage boot (bootz)

Change-Id: I12dcde5db20495f805b284b639ef93c78a116226
Signed-off-by: Bassel Saba <basselsa@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/19557
Reviewed-by: Omri Itach <omrii@marvell.com>
Tested-by: Omri Itach <omrii@marvell.com>
1 file changed