system: update kernel

-Revert "tegra: dvfs: add extra slot for CPU_DVFS to accomodate 15 slot TEGRA_OC range"
-Revert "tegra: dvfs: core|speedo/aon +25mv over cpu and adjust DVFS (… ……for TEGRA_OC)"
-tegra: dvfs: adjust voltages
mm: use aligned zone start for pfn_to_bitidx calculation
ARM: DMA: Fix struct page iterator in dma_cache_maint() to work with sparsemem
-Revert "block: prepare I/O context code for BFQ-v4 for 3.1"
block: prepare I/O context code for BFQ-v6 for 3.1
-Revert "block: introduce the BFQ-v5r1 I/O sched for 3.1"
block: introduce the BFQ-v6 I/O sched for 3.1
sched/rt: Use root_domain of rt_rq not current processor

Reference:
 kernel.org and algo.ing.unimo.it
Revert "frandom init.d support"

This reverts commit 156c9b5c3d1f2ed4f48ff580f3ee089e85124567.

Moved to p4-common
Revert "Add extra compiler flags"

This reverts commit af3547c93e1aec71232ae81ef09ec18da667d97f.

Moved to p4-common
Merge remote-tracking branch 'pershoot/cm-10.1' into cm-10.1