msm: camera: Change CSI and ISPIF clk name for 8x26

Change CSI and ISPIF clock name to enable clk MUX for CSID and ISPIF.
Configure CSI MUX select registers to feed proper clocks to respective
hardware blocks in CSI domain.

Change-Id: I4d3abcb1a87c63e2d3cf79045bc8c412963bead2
Signed-off-by: Su Liu <suliu@codeaurora.org>