uboot-phytec

arm64: zynqmp: Remove ifdef around zynqmp mmio read and write rotuines

This patch removes ifdef around mmio read and write rotuines
and make them a single routine by checking the current el.
This patch helps to remove ifdef around invoke_smc as well.

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