enlightenment: fix efl dependency

The efl libraries depends on BR2_PACKAGE_EFL, so ensure enlightenment
selects it as well, otherwise kconfig complains.

Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
diff --git a/package/enlightenment/Config.in b/package/enlightenment/Config.in
index c2944b9..357c72b 100644
--- a/package/enlightenment/Config.in
+++ b/package/enlightenment/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_ENLIGHTENMENT
 	bool "enlightenment"
+	select BR2_PACKAGE_EFL
 	select BR2_PACKAGE_LIBECORE
 	select BR2_PACKAGE_LIBECORE_X
 	select BR2_PACKAGE_LIBEINA