ARM: dts: msm: Update compatible property for display clk node for SDM632

Both SDM632 and MSM8953 will use same driver file for display clocks
implementation so update the compatible property for SDM632 to add
support for display clocks.

Change-Id: Ib0d20fd084703d42d4401ef88cb5f0b916f190f9
Signed-off-by: Amit Nischal <anischal@codeaurora.org>