lt03wifi: fetch all non-EOS dependencies from the correct place
lt03wifi: align device configuration to manta

*) Build all the Exynos5 open source bits from manta's repos
*) Align graphics configs, dalvik heap configs and media configs
*) Cleanup unneeded board flags
lt03wifi: add necessary gralloc defines for manta drivers
lt03wifi: add s3c-fb header to be compiled against by manta drivers
lt03wifi: switch eos dependencies over to correct branches

Also remove all non-aosp exynos hardware repositories