ARM: dts: msm: Update L19 voltages for TOF laser in SVR845 platform

TOF Laser Illuminator in SVR845 platform is connected with L19 regulator
This change updates the min, max and init voltages to 3.1V

Change-Id: I85b0d15cafb3c8063b86201a0355382a4f288b9d
Signed-off-by: Rajesh Bharathwaj <rajeshbharathwaj@codeaurora.org>