DDR: Fix warning in Training Algos code

        - this warning is seen when using "-Wsign-compare" C flag
	- Change the value of -1 to 0xFFFFFFFF in (ckDelay == -1)

Change-Id: Ibc819a8e06b81f8b9c263d79033a1e9b8467589d
Signed-off-by: Yaron David <yarond@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/20291
Tested-by: Star_Automation <star@marvell.com>
Reviewed-by: Haim Boot <hayim@marvell.com>
Reviewed-on: http://vgitil04.il.marvell.com:8080/24133
Reviewed-by: Omri Itach <omrii@marvell.com>
Tested-by: Omri Itach <omrii@marvell.com>
1 file changed