ibsh is unused according to the upstream commmit:
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commit 5ccf5648d8a58b0ca1ea6460b31d9316d2b6ec8a
Author: Saul Wold <sgw@linux.intel.com>
Date: Thu Jan 16 09:51:45 2020 -0800
cgcs-users: remove unused package
The cgcs-users package provides a restricted shell ibsh (Iron Bars SHell)
that is no longer being referenced in StarlingX, so we can remove this
package.
Story: 2007102
Task: 38147
Signed-off-by: Saul Wold <sgw@linux.intel.com>
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Story: 2008952
Task: 42576
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Change-Id: Iead4e5e8cb8de6feabbb786b31fdd1281e43acdb
4a4097cae5