ARM: dts: msm: Update the gcc and video clock nodes for SDMMAGPIE

Update the GCC and VIDEOCC clock controller device nodes to register
to actual clock controller drivers. Also update the GCC and VIDEOCC
GDSCs by replacing the dummy nodes with actual GDSC regulator driver.

Change-Id: Ie707e4cee199e11c2fde2c0e28ee4b18ab80a4dd
Signed-off-by: Amit Nischal <anischal@codeaurora.org>