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

CRs-Fixed: 507581

Change-Id: Ibaf821fcac9fba6448c5c23aef9d72946808e3cf
Signed-off-by: Kiran Kumar Lokere <klokere@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: Ib7242aaae930dbc02133e44c04e182ebc52bc89f
Signed-off-by: Ravi Joshi <ravij@codeaurora.org>
audit: Reduce excessive debugging

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>
msm: kgsl: Implement conservative GPU governor

This governor scales like conservative CPU governor.
This should save battery in the long run while not compromising
on performance during intensive work like gaming.

Previous fixes and commits from my other branches are merged
in this clean commit.

Signed-off-by: Zhao Wei Liew <zhaoweiliew@gmail.com>