ARM: msm: dts: add rotator line width for sm8150

Add max line width supported for rotator in device tree.
This allows rotation of resolution upto 8k width as long as
the clock required for this resolution is less
than max defined for this hardware.

Change-Id: I1442a73c1aeb69ff1b56aa665f30236fb89f78b9
Signed-off-by: Abhijit Kulkarni <kabhijit@codeaurora.org>