minimal.conf: make IMAGE_FSTYPES a weak assignment to allow overwriting

diff --git a/conf/distro/minimal.conf b/conf/distro/minimal.conf
index b5f7ddc..196018b 100644 (file)
--- a/conf/distro/minimal.conf
+++ b/conf/distro/minimal.conf
@@ -43,7 +43,7 @@ INHERIT += "packaged-staging"
 #############################################################################
 # Chose the packaging system
 INHERIT += "package_ipk"
-IMAGE_FSTYPES = "tar.gz jffs2"
+IMAGE_FSTYPES ?= "tar.gz jffs2"
 
 require conf/distro/include/sane-feed.inc
 PREFERRED_PKG_FORMAT ?= "ipk"