ath79: wnr1000v2: fix image header information

Factory image generated for Netgear WNR1000 v2 has incorrect device
and hardware ID information in header due to missing makefile
variables. This fix adds them to device section.

Signed-off-by: Michal Cieslakiewicz <michal.cieslakiewicz@wp.pl>

target/linux/ath79/image/tiny-netgear.mk

@@ -33,6 +33,8 @@ define Device/netgear_wnr1000-v2
   DEVICE_MODEL := WNR1000
   DEVICE_VARIANT := v2
   NETGEAR_KERNEL_MAGIC := 0x31303031
+  NETGEAR_BOARD_ID := WNR1000V2
+  NETGEAR_HW_ID := 29763331+4+32
   IMAGE_SIZE := 3712k
   IMAGE/default := append-kernel | pad-to $$$$(BLOCKSIZE) | netgear-squashfs | append-rootfs | pad-rootfs
   SUPPORTED_DEVICES += wnr1000-v2