manual.csv: update test case for IOTOS-401
manual.csv: update test case for IOTOS-401

According to comments in IOTSOS-401, the system log means the system
log "jounalctl". So update test case to check systemd log.

Signed-off-by: Lei Yang <884188bc707cc1be54d02b83a73b4695f136ccae@intel.com>

daweiwu/meta-iotqa-1,daweiwu/meta-iotqa-1,ostroproject/meta-iotqa,ostroproject/meta-iotqa,ostroproject/meta-iotqa,wanghongjuan/meta-iotqa-1,wanghongjuan/meta-iotqa-1,ostroproject/meta-iotqa,ostroproject/meta-iotqa,daweiwu/meta-iotqa-1,daweiwu/meta-iotqa-1,wanghongjuan/meta-iotqa-1,wanghongjuan/meta-iotqa-1,wanghongjuan/meta-iotqa-1,daweiwu/meta-iotqa-1