[Add][rootfs][GPL]

2022.03.31 / Folus Wen

Actions:
1. Add scp tool for download file from sftp server.
2. Add default key pair for sftp login.

Files:
1. As follow commit history

Image version: D0.00.XX.XXXX.XX
Image checksum: XXXXXXXX

Hardware PWB P/N : XXXXXXX
Hardware Version : XXXXXXX

EVSE/rootfs/usr/bin/ssh

@@ -1,2 +1,2 @@
 #!/bin/sh
-/bin/dbclient $1 $2 $3 -i /root/.ssh/id_rsa_ssh
+/usr/bin/dbclient $1 $2 $3 -i /root/.ssh/id_rsa_ssh