oss/openadk: Open Source Appliance Development Kit @ 6c496bf7b8f1a040268e885bbe9a1f435106ffcb

Waldemar Brodkorb ddb5d9774a add support for xtensa dc233c variant. use uImage, which works with a patched Qemu. Thanks to Max Filippov for fixes and ideas.		10 lat temu
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xtensa_dc232b.tar	47e4109811 add support for xtensa architecture, tested with qemu. thanks to Max Filippov for help	10 lat temu
xtensa_dc233c.tar	ddb5d9774a add support for xtensa dc233c variant. use uImage, which works with a patched Qemu. Thanks to Max Filippov for fixes and ideas.	10 lat temu