configs: disable dc features from tegra4
enable volume up wake
bcmdhd: Enable Ad-Hoc (IBSS) mode

This enables Ad-Hoc (IBSS) mode for bcmdhd. We basically just need to set the
interface flag and avoid some P2P specific settings while scanning.

Also add the "station get" command for IBSS mode.

Thanks to Bruno Randolf <br1@einfach.org>
(https://github.com/CyanogenMod/android_kernel_samsung_aries/commit/7b6680bdae231e45b6107479078c3a6af99f11dc)

Change-Id: If54211ebcdf03c25f34b3cd709363e742461c50c
Revert "arm: tegra: tripndroid dvfs patches v1"

This reverts commit 87d9d479746c590f0cc9a08e8bed1cfc2cc293d1.
Revert "arm: tegra: remove cpu linear offset age"

This reverts commit 8ce9cc3d482b8d693722f6d77e61b7b9561c8696.
tegra: custom user voltage control

Original implementation from faux123 (which was based on Michael Huang's OMAP4460 work). Interface cleaned up, made more robust and secure.