ARM: dts: msm: Add support for clocks for SDM632

Compatible property needs to be updated for GCC, debug mux
and GPU device tree clock controller nodes, so update the
same for SDM632.

Change-Id: I7715f472cc016ff5b707294bb1723f6237361207
Signed-off-by: Amit Nischal <anischal@codeaurora.org>