mx6q: Factor out common DDR3 init code

Factor out common DDR3 initialization code, allowing easier maintainance of such
scripts.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/boards.cfg b/boards.cfg
index f966c9b..d6fcae9 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -237,7 +237,7 @@
 ima3-mx53                    arm         armv7       ima3-mx53           esg            mx5		ima3-mx53:IMX_CONFIG=board/esg/ima3-mx53/imximage.cfg
 vision2                      arm         armv7       vision2             ttcontrol      mx5		vision2:IMX_CONFIG=board/ttcontrol/vision2/imximage_hynix.cfg
 mx6qarm2                     arm         armv7       mx6qarm2            freescale      mx6		mx6qarm2:IMX_CONFIG=board/freescale/mx6qarm2/imximage.cfg
-mx6qsabrelite                arm         armv7       mx6qsabrelite       freescale      mx6		mx6qsabrelite:IMX_CONFIG=board/freescale/mx6qsabrelite/imximage.cfg
+mx6qsabrelite                arm         armv7       mx6qsabrelite       freescale      mx6		mx6qsabrelite:IMX_CONFIG=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
 cm_t35                       arm         armv7       cm_t35              -              omap3
 omap3_overo                  arm         armv7       overo               -              omap3
 omap3_pandora                arm         armv7       pandora             -              omap3