ltp-test-suite, refs #28408

* Use adapted canecho

scripts/canecho

 #!/bin/sh
-# This script may be used as echo server on an other device to reply 
+# This script may be used to start the echo server on an other device to reply 
 # to the can test in testcases/bin/can
 
 ifconfig can0 down
 canconfig can0 bitrate 125000
 ifconfig can0 up
-
-candump | while read msg;
-do 
-        reply=$( echo ${msg:12} | sed -e 's/[0-9a-f]\+/0x&/g')
-        case $msg in
-                "<0x100>"*)
-                        replyid=0x101
-                        ;;
-                "<0x001>"*)
-                        replyid=0x101
-                        ;;
-                *)
-                        continue
-                        ;;
-        esac
-
-        cansend can0 -i ${replyid}  ${reply} >/dev/null
-done
-
+canecho  --echoid=0x100 can0