WLAN subsystem: Sysctl support for key TCP/IP parameters

It has been observed that default values for some of key tcp/ip
parameters are affecting the tput/performance of the system. Hence
extending configuration capabilities to TCP/Ip stack through
sysctl interface

Change-Id: I4287e9103769535f43e0934bac08435a524ee6a4
CRs-Fixed: 507581
Signed-off-by: Ravi Joshi <ravij@codeaurora.org>
msm: Create shadow files under /sys/kernel/ipv4

The TCP delayed ack parameters can be configured from user space
application which runs with non-root credentials and does not have
direct write access to /proc entries. This commit creates shadow
files under /sys/kernel/ipv4 which maps to /proc/sys/net/ipv4.

CRs-Fixed: 628139
Change-Id: If9f5e8f1f5f31c39090555b7b0c40efcdf6ccd08
Signed-off-by: Ravi Joshi <ravij@codeaurora.org>
config wifi: Enable DHD_USE_SCHED_SCAN

Change-Id: Ie71673d05c4764905ea3617d7fb236757819671b
My iodak kernel changes 4-2-14

Change-Id: Iad35566a1b92417bc70be3fb781eced1bc5f2d8d

Signed-off-by: alfsamsung <alfsamsung@hotmail.com>

My iodak kernel changes 15-3-14

Change-Id: I1f6a2520558734cb960b9620209e75548dc6a930

My changes 27-6-14

Change-Id: I3688a52e2ca883eee4307beb0442cf031b12009c
On branch test
	modified:   arch/arm/configs/cyanogenmod_x3_defconfig
Untracked files:
	alf-export.bash
no changes added to commit (use "git add" and/or "git commit -a")

TEMP 2

Change-Id: I0a8be96ef41d074637b68f66066133293b4b1c9a
On branch test
	modified:   arch/arm/configs/cyanogenmod_x3_defconfig
Untracked files:
	alf-export.bash
no changes added to commit (use "git add" and/or "git commit -a")
On branch alfs-cm11.0
	modified:   arch/arm/mach-tegra/lge/x3/board-x3-gps.c
Untracked files:
	alf-export.bash
no changes added to commit (use "git add" and/or "git commit -a")
On branch alfs-cm11.0
	modified:   arch/arm/mach-tegra/cpu-tegra.c
Untracked files:
	alf-export.bash
no changes added to commit (use "git add" and/or "git commit -a")
On branch alfs-cm11.0
	modified:   drivers/cpuquiet/governors/Makefile
Untracked files:
	alf-export.bash
no changes added to commit (use "git add" and/or "git commit -a")
cpwatcher: Ignore irq if recovery is in progress

Change-Id: Ifb3de80028cd48e1826fb39fb3990b9058d446ec