Cross Reference: /external/ltp/testcases/commands/su

`Name`	`Date`	`Size`
Up to higher level directory
`Makefile`	21-Aug-2018	`1K`
`su01`	21-Aug-2018	`5.5K`
`su01_s1`	21-Aug-2018	`13.2K`
`su_set_passwd`	21-Aug-2018	`218`