tools/squashfskit4: add xattr support to mksquashfs for SELinux

SELinux uses extended attributes to store SELinux security contexts.

Signed-off-by: Thomas Petazzoni <[email protected]>
[rebase, add commit message]
Signed-off-by: W. Michael Petullo <[email protected]>

tools/squashfskit4/Makefile

@@ -22,7 +22,7 @@ define Host/Compile
 	$(MAKE) -C $(HOST_BUILD_DIR)/squashfs-tools \
 		XZ_SUPPORT=1 \
 		LZMA_XZ_SUPPORT=1 \
-		XATTR_SUPPORT= \
+		XATTR_SUPPORT=1 \
 		LZMA_LIB="$(STAGING_DIR_HOST)/lib/liblzma.a" \
 		EXTRA_CFLAGS="-I$(STAGING_DIR_HOST)/include" \
 		mksquashfs unsquashfs