msys: axp-amc: update Board- and Ctrl- Env initializing

	- enable obtaining BoardSysClk for AXP
	- enable printing SoC revision for AXP

Change-Id: Ia336a3a55df10e9b51e9f6e758d13b2cbb15b755
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Omri Itach <omrii@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/20550
2 files changed