conf/machine: Add new machine support for IGEP COM AQUILA AM335x

The IGEP COM AQUILA is industrial processors SODIMM module with
following highlights:

   o AM3352/AM3354/AM3358/AM3359 Texas Instruments processor
   o Cortex-A8 ARM CPU
   o 3.3 volts Inputs / Outputs use industrial
   o 256 MB DDR3 SDRAM / 128 Megabytes FLASH
   o MicroSD card reader on-board
   o Ethernet controller on-board
   o JTAG debug connector available
   o Designed for industrial range purposes

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
u-boot: update to 2013.07 version.

Update to the latest published u-boot version. This version has support for
the new IGEP COM AQUILA processor board.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
dtc: Update DTC to latest git and apply DT overlay patch

To handle overlay plugins it's required the -@ option, this option is not part
of the upstream dtc, so it's a DT overlay specific patch that enables it.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
linux-igep: Add version 3.8.13-0 for IGEP COM AQUILA

This is the current stable kernel for IGEP COM AQUILA processor
board. This kernel is DT based.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
Merge pull request #17 from eballetbo/add-igep0033-support

Add initial IGEP COM AQUILA support