[source] lantiq: fix brnImage signature for the VGV7510KW22BRN images

[LEDE Commits]

mkresin pushed a commit to source.git, branch master:
https://git.lede-project.org/271db9f18eda51f4ea1a594b8d2602f0c8aeec15

commit 271db9f18eda51f4ea1a594b8d2602f0c8aeec15
Author: Mathias Kresin <dev at kresin.me>
AuthorDate: Sat Jan 28 12:36:15 2017 +0100

    lantiq: fix brnImage signature for the VGV7510KW22BRN images
    
    The VGV7510KW22BRN and VGV7519BRN do not have the same brnImage
    signature. It was accidentally changed with ba42c1d ("lantiq: un-macro
    the image building code").
    
    Signed-off-by: Mathias Kresin <dev at kresin.me>
---
 target/linux/lantiq/image/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/target/linux/lantiq/image/Makefile b/target/linux/lantiq/image/Makefile
index 0b976ac..cdc88b2 100644
--- a/target/linux/lantiq/image/Makefile
+++ b/target/linux/lantiq/image/Makefile
@@ -538,9 +538,9 @@ TARGET_DEVICES += VGV7510KW22NOR
 define Device/VGV7510KW22BRN
   $(Device/lantiqBrnImage)
   IMAGE_SIZE := 7168k
-  SIGNATURE := 5D00008000
+  SIGNATURE := BRNDA6431
   MAGIC := 0x12345678
-  CRC32_POLY := 0x2083b8ed
+  CRC32_POLY := 0x04c11db7
   DEVICE_TITLE := o2 Box 6431 / Arcadyan VGV7510KW22 (BRN)
   DEVICE_PACKAGES := kmod-rt2800-pci wpad-mini kmod-usb-dwc2 kmod-ltq-tapi kmod-ltq-vmmc
 endef