ARM: dts: msm: increase PM855 LDO 10 max voltage for SDM855

Increase the maximum voltage allowed for the PM855 L10 regulator
to 2.96 V in order to facilitate UFS card operation at higher
voltage.

Change-Id: I6e181d67638f27e309180f60e8d04cb1f42b2a3a
Signed-off-by: David Collins <collinsd@codeaurora.org>