system: Update kernel/wifi/misc

Changes:
-video: tegra-ics: backport/sync with nvidia's 3.1
-~100+ video changes from nvidia's android-nv-3.1/rel-15r7
-media: video: avp-ics: backport/sync with nvidia's 3.1
media: fix corner case in tegra_mediaserver
media: tegra: avp: set emc to max for video only
ARM: tegra: gart: Replace memory barrier with register read-back
ARM: tegra: gart: Fix wrong initialization order
video: tegra: add ioctl to query DC capabilities
media: tegra_camera: Enable Null sensor
net: wireless: bcmdhd: Skip inaccurate wl_construct_reginfo() call
net: wireless: bcmdhd: Add wiphyband update for country change
net: wireless: bcmdhd: Return wl_construct_reginfo() call
net: wireless: bcmdhd: Skip country setting if unnecessary
net: wireless: bcmdhd: Add mutex to wl_update_wiphybands()
net: wireless: bcmdhd: Init locks in dhd_attach() at the beginning
net: wireless: bcmdhd: Update wiphy bands on band change
net: wireless: bcmdhd: Fix P2P GO hang issue
net: wireless: bcmdhd: Remove country update from wl_update_wiphybands
net: wireless: bcmdhd: Add info_string param with driver/fw/chip info
net: wireless: bcmdhd: Adjust driver/fw/chip info format
net: wireless: bcmdhd: Use proper jiffie-related functions
net: wireless: bcmdhd: Prevent HT Avail request failure to flood the log
cpufreq: Allow adjust_jiffies for Tegra 2 SMP
Revert "cpufreq: patch to address issue with second core forgetting min/max clock frequency
cpufreq: do not forget min/max clock frequency on cpu hotplug
Added improved glibc memcpy and memmove functions.
kernel:mm: Backported vzalloc to support ZRAM
vmscan: change shrink_slab() interfaces by passing shrink_control
vmscan: change shrinker API by passing shrink_control struct
-defconfig: ics: regen
arm: mm: convert cpa_lock to mutex.
arm: mm: Optimze cache flush in CPA.
ARM: mm: Use CONFIG_CPA
ARM: mm: Add config flag for CPA.
ARM: tegra: Enable CPA.
-defconfig: ics: regen
mm: Ensure pte and pmd stores ordering.
-tegra: clocks: modify usbd shared clock mapping
usb: gadget: android: Don't allow changing the functions list if enabled
usb: gadget: android: dump the uevents sent when changing states
usb: gadget: android: always update the sw_connected state
usb: gadget: android: follow proper order on disconnect
usb: gadget: adb: Only enable the gadget when adbd is ready
-usb: gadget-ics: sleep after gadget disconnect for VARIATION_TEGRA
Add ACCESSORY_SET_AUDIO_MODE control request and ioctl
USB: gadget: f_accessory: Add support for HID input devices
USB: gadget: f_audio_source: New gadget driver for audio output
USB: gadget: f_audio_source: Adjust packet timing to reduce glitches
Revert "cpufreq: Allow adjust_jiffies for Tegra 2 SMP"
Revert "wireless: bcmdhd: remove __wl_band_5ghz_a.n/2ghz.n_channel in bandlist conditional
net: wireless: bcmdhd: Fill station_info packet fields
Revert "ARM: tegra: Enable CPA."
-defconfig: ics: unset CPA
cpufreq: interactive: take idle notifications only when active
USB: gadget: f_audio_source: Fix error handling and increase packet size
-defconfig: ics: set TEGRA_EMC_TO_DDR_CLOCK to 4

-Reference:
 github.com/hyperdroid, github.com/kcrudup, nv-tegra.nvidia.com
 android.googlesource.com, github.com/faux123, arcee, aosp.schiznik.net

Change-Id: I8c1c191bcd54b7a6b6f9404249b5d59891b11f62
sys.prop: remove wifi.interface (common takes care of it)

Change-Id: I2577d15942c60aa3c898ed639108ab04d94eb1a6
Update README

Change-Id: I535bd46e7c11d02fad02f0680f9ddf20d7ba9a87
recovery: fstab: use platform names

-reference vodaphone's ota (BULG1)

Change-Id: Ib4ff25f107dc043f505865407f99737b0ffeca9b