a39x: A0 training instability step2 fix

	In addtional to 2T/ratio fix, this field should be set 0 during low freq
	Also set all A0 special configuration under attribute set only for A390

Change-Id: Ie8e7e15c016e0c2c602d7a4da31648292e5764dc
Signed-off-by: Igor Patrik <igorp@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/19170
Reviewed-by: Haim Boot <hayim@marvell.com>
Tested-by: Star_Automation <star@marvell.com>
Tested-by: Star_New_DDR <star-new-ddr@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/24120
Reviewed-by: Omri Itach <omrii@marvell.com>
Tested-by: Omri Itach <omrii@marvell.com>
6 files changed