msm: camera: utils: add spacing between register values

when using the cam_io_dump function to dump the register
values we are getting 4 register values without spacing
which makes is difficult to read, so adding space
between two specific register values.

CRs-Fixed: 2675959
Change-Id: I7e5db59398e406c30aa9729eb38331aa85736175
Signed-off-by: Tejas Prajapati <tpraja@codeaurora.org>