rk: scripts: Fix repack bootimg for boot image v3

v3 do not support second.

Signed-off-by: Tao Huang <huangtao@rock-chips.com>
Change-Id: I5cd6d402be5adb35f0634a5af19c4310582d25ee

scripts/mkimg

@@ -102,14 +102,14 @@ repack_boot_img()
 		--second resource.img \
 		--dtb ${DTB_PATH} \
 		-o boot.img &&
-	echo "  Image:  boot.img (${BOOT_IMG} + Image + resource.img) is ready";
+	echo "  Image:  boot.img (${BOOT_IMG} + Image) is ready";
 	${srctree}/scripts/repack-bootimg \
 		--boot_img ${BOOT_IMG} --out ${OUT} \
 		${KERNEL_ZIMAGE_ARG} \
 		--second resource.img \
 		--dtb ${DTB_PATH} \
 		-o zboot.img && \
-	echo "  Image:  zboot.img (${BOOT_IMG} + ${ZIMAGE} + resource.img) is ready"
+	echo "  Image:  zboot.img (${BOOT_IMG} + ${ZIMAGE}) is ready"
 }
 
 check_mkimage()

scripts/repack-bootimg

@@ -136,9 +136,13 @@ if [ $recovery_dtbo_size -gt 0 -a -e "$recovery_dtbo" ]; then
 	RECOVERY_DTBO="--recovery_dtbo $recovery_dtbo"
 fi
 
+if [ $version -lt 3 ]; then
+	SECOND="--second $second"
+fi
+
 $srctree/scripts/mkbootimg \
 --kernel $kernel \
---second $second \
+$SECOND \
 --ramdisk $ramdisk \
 $DTB \
 $RECOVERY_DTBO \