mtd: be explicit about config options for the host

Instead of letting auto-detection do its job, be explicit about the
fact that we want the JFFS2 and UBIFS utilities when building the host
variant of mtd.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/mtd/mtd.mk

@@ -45,7 +45,10 @@ MTD_CONF_OPTS += --without-xattr
 endif
 
 HOST_MTD_DEPENDENCIES = host-zlib host-lzo host-util-linux
-HOST_MTD_CONF_OPTS = --disable-tests
+HOST_MTD_CONF_OPTS = \
+	--with-jffs \
+	--with-ubifs \
+	--disable-tests
 
 MKFS_JFFS2 = $(HOST_DIR)/sbin/mkfs.jffs2
 SUMTOOL = $(HOST_DIR)/sbin/sumtool