ARM: dts: msm: PPS enablement for 9x07

GPS QDR feature has a dependency on Linux PPS
which is enabled using gpio 53 pin

Change-Id: I311b5428ead134804580e708b4fdb1a7f1d20b71
CRs-fixed: 1012438
Signed-off-by: Naresh Munagala <nareshm@codeaurora.org>