board_status: Add an option to set the SSH port

If the option is not provided, ssh uses the default port for the host,
which is usually 22, but may be overridden in the user's SSH
configuration.

Change-Id: I303e9aeae16bd73a96c5e6d54f8e39482613db28
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-on: https://review.coreboot.org/14522
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>

util/board_status/board_status.sh

@@ -12,6 +12,7 @@ EXIT_FAILURE=1
 # Stuff from command-line switches
 COREBOOT_IMAGE="build/coreboot.rom"
 REMOTE_HOST=""
+REMOTE_PORT_OPTION=""
 CLOBBER_OUTPUT=0
 UPLOAD_RESULTS=0
 SERIAL_PORT_SPEED=115200
@@ -39,7 +40,7 @@ test_cmd()
 	fi
 
 	if [ "$1" -eq "$REMOTE" ] && [ -n "$REMOTE_HOST" ]; then
-		ssh root@${REMOTE_HOST} command -v "$2" > /dev/null
+		ssh $REMOTE_PORT_OPTION root@${REMOTE_HOST} command -v "$2" > /dev/null
 		rc=$?
 	else
 		command -v "$2" >/dev/null
@@ -71,7 +72,7 @@ _cmd()
 	fi
 
 	if [ "$1" -eq "$REMOTE" ] && [ -n "$REMOTE_HOST" ]; then
-		ssh "root@${REMOTE_HOST}" "$2" > "$pipe_location" 2>&1
+		ssh $REMOTE_PORT_OPTION "root@${REMOTE_HOST}" "$2" > "$pipe_location" 2>&1
 	else
 		$2 > "$pipe_location" 2>&1
 	fi
@@ -179,6 +180,8 @@ Options
         Path to coreboot image (Default is $COREBOOT_IMAGE).
     -r  <host>
         Obtain machine information from remote host (using ssh).
+    --ssh-port <port>
+        Use a specific SSH port.
     -s  </dev/xxx>
         Obtain boot log via serial device.
     -S  <speed>
@@ -194,8 +197,7 @@ if [ $? -ne 4 ]; then
 	exit $EXIT_FAILURE
 fi
 
-# TODO: add longopts in the quotes after -l
-ARGS=$(getopt -o Chi:r:s:S:u -l "" -n "$0" -- "$@");
+ARGS=$(getopt -o Chi:r:s:S:u -l "ssh-port:" -n "$0" -- "$@");
 if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
 eval set -- "$ARGS"
 while true ; do
@@ -215,6 +217,10 @@ while true ; do
 			shift
 			REMOTE_HOST="$1"
 			;;
+		--ssh-port)
+			shift
+			REMOTE_PORT_OPTION="-p $1"
+			;;
 		-s)
 			shift
 			SERIAL_DEVICE="$1"