ipq40xx: Select correct board-2.bin for EnGenius EMD1

The board data file for the EnGenius EMD1 is not part of the default
board-2.bin which is shipped by ath10k-board-qca4019. As result, the wrong
calibration information will be loaded into the wifi chip.

Fixes: 51f30359 ("ipq40xx: add support for EnGenius EMD1")
Signed-off-by: Sven Eckelmann <sven@narfation.org>

target/linux/ipq40xx/image/generic.mk

@@ -419,6 +419,7 @@ define Device/engenius_emd1
 	IMAGES += factory.bin
 	IMAGE/sysupgrade.bin := append-kernel | append-rootfs | pad-rootfs | append-metadata
 	IMAGE/factory.bin := qsdk-ipq-factory-nor | check-size
+	DEVICE_PACKAGES := ipq-wifi-engenius_emd1
 endef
 TARGET_DEVICES += engenius_emd1