Added msm8930_serrano_custom_defconfig

This is an exact copy of /proc/config.gz from the Vikinger kernel.
URL: http://d-h.st/users/vikinger/?fld_id=28879
File: Vikinger-JB4.2-STOCK-eur_lte-18.01.2014.zip
MD5: 059e237019e058db7b15c2f2f83993e7
SHA256: 78ffe78422d4dbf0a0895e2594bee26776a6311feba175a36f8d0201a2782fc5

The original vikinger_defconfig seems to differ, so I just take this known-working config as base.
Fix various compiler warnings with gcc-4.7

Change-Id: Ia29ef35dc710721ec15d5e2cf849e027ae0e7724

Conflicts:
	include/video/msm_hdmi_modes.h
Optimize kernel builds for I9190/I9195 CPU
Ignore some Linaro GCC4.7 compiler warnings
Fix compilation error when CONFIG_SEC_DEBUG is disabled
Optimized kernel for speed and disabled debugging

Noteable changes are:
 - Removed local-version text
 - Disable bzip2 and LZMA ramdisk support - Only gzip is needed
 - Optimize for speed, not for size
 - Disable various debugging stuff
 - Enable heap randomization
 - Disable Deadline I/O scheduler
 - Set PREEMPT from low-latency to desktop
 - Disabled NFS support
New name: brisK
wlan: Update Prima to 3.2.4.138
wlan: Update Prima to 3.2.4.141

Change-Id: I55a0747a64034c1262bb1e702ae4f4924c40adcb
wlan: Revert Prima to 3.2.4.111A

 * Same as stock version

Change-Id: I91a391a40209cfa4893ba89157522e2d5fcdbd19
wlan: Fixing a compiler warning
defconfig: Enable WLAN kernel module