use cfX toolchain 4.8

ps2: correct 4.8.% wildcard

Change-Id: If0d766573d370b4c9548916639644cfa648a7acd
Signed-off-by: DHOMD <DHO@dho.im>
Use prebuilts in manifest, rather than wgetting dailies

Change-Id: I07c54960ca685b97518ef62e057590bc7a8461dc