sample at reset: a38x: add 'boardspeed' to limit CPU freq

	- Add 'boardspeed' SatR field (Read Only) to limit CPU speed
	  which can have one of these values:
	  0x1 - up to 2000MHz
	  0x2 - up to 1866MHz
	  0x3 - up to 1600MHz
	- Add new field to 'MV_SAR_FREQ_MODES' to indicate whether
	  the speed is limited or not, when writing or listing freq
	  field check if the speed is limited and not greater than
	  the maximum boardspeed.

Change-Id: I209298bfddc3b58fc804cf9b8c583f248e2030d6
Signed-off-by: Bassel Saba <basselsa@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/19359
Tested-by: Star_Automation <star@marvell.com>
Reviewed-by: Omri Itach <omrii@marvell.com>
3 files changed