udoo: Add initial support for mx6q udoo board

Add basic support for mx6q udoo board.

For further information about Udoo board:
http://www.udoo.org/

Tested booting a mainline device tree kernel and a Yocto rootfs from mmc.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
diff --git a/boards.cfg b/boards.cfg
index aa2ee64..2461d3b 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -287,6 +287,7 @@
 Active  arm         armv7          mx5         genesi          mx51_efikamx        mx51_efikamx                         mx51_efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKAMX,IMX_CONFIG=board/genesi/mx51_efikamx/imximage_mx.cfg                                -
 Active  arm         armv7          mx5         genesi          mx51_efikamx        mx51_efikasb                         mx51_efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKASB,IMX_CONFIG=board/genesi/mx51_efikamx/imximage_sb.cfg                                -
 Active  arm         armv7          mx5         ttcontrol       vision2             vision2                              vision2:IMX_CONFIG=board/ttcontrol/vision2/imximage_hynix.cfg                                                                     Stefano Babic <sbabic@denx.de>
+Active  arm         armv7          mx6         -               udoo		   udoo_quad				udoo:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6q.cfg,MX6Q,DDR_MB=1024          Fabio Estevam <fabio.estevam@freescale.com>
 Active  arm         armv7          mx6         -               wandboard           wandboard_dl                         wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6dl.cfg,MX6DL,DDR_MB=1024                                                  Fabio Estevam <fabio.estevam@freescale.com>
 Active  arm         armv7          mx6         -               wandboard           wandboard_quad                       wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6q2g.cfg,MX6Q,DDR_MB=2048                                                  Fabio Estevam <fabio.estevam@freescale.com>
 Active  arm         armv7          mx6         -               wandboard           wandboard_solo                       wandboard:IMX_CONFIG=board/boundary/nitrogen6x/nitrogen6s.cfg,MX6S,DDR_MB=512                                                     Fabio Estevam <fabio.estevam@freescale.com>