Devel branch of Renesas tree for Wed 27 Jan 2016

Based on v4.5-rc1
Merge branches 'heads/cleanup-for-v4.6', 'heads/defconfig-for-v4.6', 'heads/drivers-for-v4.6', 'heads/dt-for-v4.6' and 'heads/arm64-dt-for-v4.6' into next