Devel branch of Renesas tree for Mon 28 Mar 2016

Based on v4.6-rc1
Merge branches 'heads/arm64-cleanup-for-v4.7', 'heads/arm64-dt-for-v4.7', 'heads/cleanup-for-v4.7', 'heads/defconfig-for-v4.7', 'heads/drivers-for-v4.7', 'heads/dt-for-v4.7' and 'heads/simple-pm-bus-for-v4.7' into next