kshell: reset tty state on ^C
kshell: reset tty state on ^C

Change-Id: I977c5fd6868ef14047926edfab86da87a6770cdd
GitOrigin-RevId: 3222d02390f36fcc1803c96ad12cfd48fa2059a3

AmbiML/sparrow-scripts-full,AmbiML/sparrow-scripts-full