[openwrt/openwrt] qoriq: pad rootfs with zeros

[LEDE Commits]

stintel pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/643a4adf9a468f9e3c52efd7de257d50e612a761

commit 643a4adf9a468f9e3c52efd7de257d50e612a761
Author: Russell Senior <russell at personaltelco.net>
AuthorDate: Fri Dec 1 13:48:56 2023 -0800

    qoriq: pad rootfs with zeros
    
    Presently, sysupgrade -n does *not* reset the overlayfs, retaining
    unwanted filesystem contents. Adding PADDING=1 in front of
    gen_image_generic.sh in image/Makefile ensures that the overlayfs is
    recreated on firstboot.
    
    Fixes: 080a769b4da8 ("qoriq: new target")
    Signed-off-by: Russell Senior <russell at personaltelco.net>
    [add Fixes tag, rewrite commit subject and message to respect line
    length]
    Signed-off-by: Stijn Tintel <stijn at linux-ipv6.be>
---
 target/linux/qoriq/image/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/target/linux/qoriq/image/Makefile b/target/linux/qoriq/image/Makefile
index ec46e4d543..69fea238b5 100644
--- a/target/linux/qoriq/image/Makefile
+++ b/target/linux/qoriq/image/Makefile
@@ -13,7 +13,7 @@ define Build/sdcard-img
                 $(foreach dtb,$(DEVICE_DTS),$(CP) $(KDIR)/image-$(dtb).dtb $@.boot), \
                 $(CP) $(KDIR)/image-/*.dtb $@.boot)
 
-        $(SCRIPT_DIR)/gen_image_generic.sh \
+        PADDING=1 $(SCRIPT_DIR)/gen_image_generic.sh \
                 $@ \
                 $(CONFIG_TARGET_KERNEL_PARTSIZE) $@.boot \
                 $(CONFIG_TARGET_ROOTFS_PARTSIZE) $(IMAGE_ROOTFS) \