ddr: Added DDR3:2000/933MHz (Async) and DDR4 library fixes (TIP-0.1, TIP-1.39)

	- DDR3: Added support for 2000/933 mode

	- DDR4: Fixed tap tune special RX pattern search bug
		set tCCD 4->3 to improve performance

	- Updated DDR Libraries TIP-0.19 and TIP-1.39

Change-Id: I2743a4cba5f5ecf6945b779ca8d3f97e09ae8dd0
Signed-off-by: Igor Patrik <igorp@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/19647
Reviewed-by: Omri Itach <omrii@marvell.com>
Tested-by: Omri Itach <omrii@marvell.com>
6 files changed