fs/jffs2: copy xattrs

This patch sets the --with-xattr option when generating an image with
mkfs.jffs2, so that SELinux security contexts and other extended
attributes will be kept and available in jffs2 images.

Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit c1e268670be761e3cae7bf0dd9e284a52401e37d)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

fs/jffs2/jffs2.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-JFFS2_OPTS = -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE)
+JFFS2_OPTS = -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE) --with-xattr
 SUMTOOL_OPTS = -e $(BR2_TARGET_ROOTFS_JFFS2_EBSIZE)
 
 ifeq ($(BR2_TARGET_ROOTFS_JFFS2_PAD),y)