package/eudev: explicitly disable rules generator if not wanted

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/eudev/eudev.mk

@@ -31,6 +31,8 @@ endif
 
 ifeq ($(BR2_PACKAGE_EUDEV_RULES_GEN),y)
 EUDEV_CONF_OPTS += --enable-rule-generator
+else
+EUDEV_CONF_OPTS += --disable-rule-generator
 endif
 
 ifeq ($(BR2_PACKAGE_EUDEV_ENABLE_HWDB),y)