ARM: dts: msm: Update LDO18 voltage range for trinket

LDO18A is shared between UFS and display driver.
This change updates max voltage range for LDO18A
to allow voting from display driver.

Change-Id: I12dbf298a698d54b7edfd05f9e95ebd0e512525c
Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>