ARM: dts: msm: Fix the vdig voltage for front camera

In secure camera usecases, the front and rear camera is opened
concurrently. This is leading to poweron failure , as the voltage range
of the shared rail (vdig) is not matching for front and rear camera.

This change adjust the front camera vdig voltage adjusting to the rear
camera.

CRs-Fixed: 2671713
Change-Id: Ief7216005a5819dca15dd5c56625fa6273a495c9