bump to u8500 common stuff

Change-Id: If94bdf8e10bb388fa385faa3a99b4bf51d88b7e1
changed RIL class

Change-Id: If71f6c891d19d83d95a1046b2f9c7d44a5a923a6
added wifi driver args

Change-Id: I8e304a895c9acbac10ba4ebda35a914e9494713f
removed custom initrc flags and ramdisk offset

Change-Id: I70125e5f85954212de56c35136d708f28503fd52
updated readme

Change-Id: I96a089d301db8d487be8dd5a565fbe104d64f22a