ARM: dts: msm: Correct the name of the clock device in device tree

The ocmemcx_ocmemnoc_clk comes from the mmss controller. Update the
phandle_to_clock_controller to point to correct device.

Change-Id: I5c3ff4f42c3b373f71bf8cd5310e3405dff234ac
Signed-off-by: Neeti Desai <neetid@codeaurora.org>