arm64: zynqmp: Show model information instead of custom IDENT_STRING

DISPLAY_BOARDINFO in OF case show model identification string from DT.
Enable this feature instead of custom IDENT_STRING which does the same
thing.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
17 files changed