Fix for ASM + cmake in oe-core.

Signed-off-by: Philip Balister <philip@balister.org>
u-boot : Add bbappend for 2014.01 from meta-xilinx.

Signed-off-by: Philip Balister <philip@balister.org>
ettus-e300 : Update machine config.

 * Add ext2 and wifi machine features.
 * Stop using special e300 recipe.
 * Add support for building SD card images with wic.

Signed-off-by: Philip Balister <philip@balister.org>
ettus-e300 : Mount root read only at boot.

Signed-off-by: Philip Balister <philip@balister.org>