canps: Synchronize with the latest canps driver

But I can't be in 2014.1 or even 2014.2 series
because driver is using different binding.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
zynq: Error while generating dts for pl system using hsm branch

This patch fixes the issues while generating the dts file for a
pl system on zynq.

Signed-off-by: Kedareswara rao Appana <appanad@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>