ARM: dts: msm: Prevent setting mmssnoc_axi_clk from 8996 camera drivers

Remove the DTS entries of mmssnoc_axi_clk from vfe0, vfe1, cpp, fd,
jpeg encoder, decoder and dma cores.

Change-Id: I49fc09b999ceb506bba6379c6c4f366913f512c8
Signed-off-by: Sunid Wilson <sunidw@codeaurora.org>