Squashed update of kernel from 3.4.79 to 3.4.80

Change-Id: I5c3ed48a5eb0fa3ca9f692e5ee536801fa739451
Squashed update of kernel from 3.4.80 to 3.4.81

Change-Id: Iff8c4f7db5351ea7484bacbc2fbd1a89c9ab3650
gcc-wrapper: ignore slub.c warning

Change-Id: I44a1ed9a2762edc7ccca4bf453920f00f6f28ae5
Merge pull request #21 from LegacyXperia/cm-11.0

Latest changes from LX