fix: satr: a38x: disable 'sgmiispeed' for A385-AMC

	A385-AMC is using SGMII ports with a PHY (no SFP transceiver),
	hence there is no support for any other speed than 1G:
	- disabled 'sgmiispeed' field in SatR for A385-AMC board

Change-Id: Idbb766f56a84079820ea79cf4a8902dee7e8e143
Signed-off-by: Bassel Saba <basselsa@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/19891
Reviewed-by: Omri Itach <omrii@marvell.com>
Tested-by: Omri Itach <omrii@marvell.com>
2 files changed