scripts: delta-generation: Update an usage about target

rpi3 and tw1 are deprecated. To notice a correct information, update an
usage about target.
Remove - rpi3, tw1
Add - rpi4

Change-Id: Ib1863fdb35dc06c8ca8fb2230bedb7732cf16158
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>

diff --git a/scripts/delta-generation.sh b/scripts/delta-generation.sh
index b9e94d0..757803a 100755 (executable)
--- a/scripts/delta-generation.sh
+++ b/scripts/delta-generation.sh
@@ -23,7 +23,7 @@
 # Get argument
 if [ $# -lt 2 ]; then
        echo "Usage: delta-generation.sh TOTA_UPG_PATH TARGET DELTA_TYPE [SIGN_PKCS_FILE SIGN_PKCS_PASSWORD]"
-       echo " TARGET> rpi3 | tw1"
+       echo " TARGET> rpi4"
        echo " DELTA_TYPE> common | full   (default: common)"
        exit
 fi