Revert "configs: imx: Make CONFIG_SYS_PROMPT uniform across FSL boards"

This reverts commit 178b8e15ade96c7bd59b9704b91ca51d27c391cd.

Patch was merged too fast, without checking that another patch
is fixing the reported issue globally - reverted.

Signed-off--by: Stefano Babic <sbabic@denx.de>
10 files changed