[tuna] GPS: Fix security hole

Change a permssion for /proc/mcspi1_cs3_ctrl as 600.
With this patch, there is no GPS operation issue.
Bug ID : 7494980

Change-Id: I4446c2805a0d47a803f9f3ca1f5bce26371653d3
Signed-off-by: Sangcheol Lee <goodsc.lee@samsung.com>
Update GPS.conf

Grabbed from here http://forum.xda-developers.com/showthread.php?t=1563226
Users report faster more accurate locks.

Change-Id: I415c7a2bb1ae47f20d687c20d895047e5fd8aa90

Conflicts:
	gps.conf
Update gps some more.

Change-Id: Ib5da9dfd8668dd08cd213b189f03432814cce9fc