uboot-phytec

gpio: zynq: Move the definitions to driver file

Move all the gpio definitions to driver file as
there is no use of them in other files.

Signed-off-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>