mx6q: Add basic support for mx6qsabreauto

mx6qsabreauto is a board based on mx6q SoC with the following features:
- 2GB of DDR3
- 2 USB ports
- 1 HDMI output port
- SPI NOR
- 2 LVDS LCD ports
- Gigabit Ethernet
- Camera
- eMMC and SD card slot
- Multichannel Audio
- CAN
- SATA
- NAND
- PCIE
- Video Input

Add very basic support for it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/boards.cfg b/boards.cfg
index 60fc641..4b17289 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -237,6 +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
+mx6qsabreauto                arm         armv7       mx6qsabreauto       freescale      mx6		mx6qsabreauto:IMX_CONFIG=board/freescale/mx6qsabreauto/imximage.cfg
 mx6qsabrelite                arm         armv7       mx6qsabrelite       freescale      mx6		mx6qsabrelite:IMX_CONFIG=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
 mx6qsabresd                  arm         armv7       mx6qsabresd         freescale      mx6		mx6qsabresd:IMX_CONFIG=board/freescale/imx/ddr/mx6q_4x_mt41j128.cfg
 cm_t35                       arm         armv7       cm_t35              -              omap3