machine/igep0033: Add MACHINE_EXTRA_RRECOMMENDS and EXTRA_IMAGEDEPENDS.

Ship all kernel modules by default and build u-boot required for booting.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>
u-boot: Update in order to fix memory issues.

This new u-boot updates the memory timings and runs the DDR at 400MHz.

Signed-off-by: Enric Balletbo i Serra <eballetbo@iseebcn.com>