ARM: dts: msm: Register rpmh clocks before clock gcc

GCC and RPMh clocks are required to be registered at core_init level. In
order to ensure RPMh clocks are registered before GCC clocks, move the rpmh
clock node before clock_gcc.

Change-Id: I02fa87905b5df960a4c695380d2bf65358ddf22e
Signed-off-by: Taniya Das <tdas@codeaurora.org>