msys: axp-amc: align NFC code

	- update mvBoardTclkGet and mvCpuPllClkGet with values for AXP
	- add auxiliary routine for setting NAND ECC clock for AXP
	- add necessary registers' defines

Change-Id: I1d29983c035dcada4a274ba783f04406399d78b0
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
Signed-off-by: Omri Itach <omrii@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/20557
Tested-by: Star_Automation <star@marvell.com>
4 files changed