ARM: dts: msm: Add support for gcc/cpu clocks for MSMGold

Global Peripheral clocks, CPU clocks and cpufreq node added for MSMGold.
Also have added the corresponding regulator files/rpm bus node/spmi bus
node which are the required dependency for clocks. Add dummy clock nodes
for RUMI platform.

Change-Id: I00b178de12dc4c732d810558f2a632adeec223d9
Signed-off-by: Taniya Das <tdas@codeaurora.org>