ARM: zynq: Remove zc70x target

Remove zc70x target which was one setting for zc702 and zc706.
Currently zc702 and zc706 are separated.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>
3 files changed