msys: axp-amc: add board information for AXP-AMC

	- set machine's boardID compliant to U-Boot 'uboot_version' atag

Change-Id: I1adf8b1bbc865e2bfa1061b085bc48e6aa38f1a2
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Omri Itach <omrii@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/20542
5 files changed