mvebu: add missing package uboot-envtools which is needed for sysupgrade

targets/mvebu/profiles.mk

@@ -4,7 +4,7 @@
 $(eval $(call GluonProfile,Caiman,kmod-usb2 kmod-usb3 kmod-usb-storage kmod-i2c-core \
 	kmod-i2c-mv64xxx kmod-ata-core kmod-ata-mvebu-ahci kmod-rtc-armada38x \
 	kmod-thermal-armada kmod-gpio-button-hotplug kmod-hwmon-tmp421 kmod-leds-pca963x \
-	kmod-ledtrig-usbdev kmod-mwlwifi swconfig))
+	kmod-ledtrig-usbdev kmod-mwlwifi swconfig uboot-envtools))
 $(eval $(call GluonProfileFactorySuffix,Caiman,-squashfs-factory,.img))
 $(eval $(call GluonProfileSysupgradeSuffix,Caiman,-squashfs-sysupgrade,.tar))
 $(eval $(call GluonModel,Caiman,armada-385-linksys-caiman,linksys-wrt1200ac))