olinuxino-a20som: add u-boot option
olinuxino-a20som: include a20som
olinuxino-a20som: add kernel configuration
added A20 to description
olinuxino-a20som: include a20som
olinuxino-a20som: add fex file
olinuxino-a20som: add machine config
Update u-boot_git.bb
Update u-boot_git.bb, Correct U-Boot machine names

The latest revision of U-Boot requires changing the U-Boot machine names for
olimex based boards, as these were changed in U-Boot.

U-Boot tested on Olimex A20 Olinuxino

Signed-off-by: Jens Lucius <info@jenslucius.com>
Removed double KERNEL_IMAGETYPE

KERNEL_IMAGETYPE is defined in kernel (linux_3.4.bb) and machine
(conf/machine/include/sunxi.inc). This can lead to problems when
trying to change the image type. Removed from kernel.

Signed-off-by: Jens Lucius <info@jenslucius.com>
Merge pull request #66 from dnmeid/master

Add support for Olimex A20 SOM
Merge pull request #67 from net147/master

Use FILESEXTRAPATHS_prepend for correct assignment
Merge pull request #68 from Noxenious/master

Update u-boot_git.bb, Correct U-Boot machine names
sunxi-mali: set LICENSE to Proprietary

Fixes the following warning:
"WARNING: sunxi-mali: No generic license file exists for:
proprietary-binary in any provider"

Signed-off-by: Jonathan Liu <net147@gmail.com>