ARM: zynq: Define sys prompt for all Zynq boards

Define CONFIG_SYS_PROMPT for all Zynq boards

It was removed by:
"kconfig: add config option for shell prompt"
(sha1: 181bd9dc61d2da88b78f1c1138a685dae39354d6)

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