bcm4908: add USB packages to the DEFAULT_PACKAGES

All known 41 BCM4908 devices have USB ports so it makes sense to include
those packages by default.

Signed-off-by: Rafał Miłecki <[email protected]>

target/linux/bcm4908/Makefile

@@ -20,4 +20,6 @@ include $(INCLUDE_DIR)/target.mk
 
 KERNELNAME:=Image dtbs
 
+DEFAULT_PACKAGES += kmod-usb-ohci kmod-usb2 kmod-usb3
+
 $(eval $(call BuildTarget))