classes: tar 1.27 fixes

tar version 1.27 returns:

tar: --same-order option cannot be used with -c

with the commandlines we have been using. We can remove the -s option (which
is --same-order) to remove the error.

(From OE-Core rev: 3d5a6d0a480a0fa98260a3b3ffc71b8d9e3e58af)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/populate_sdk_deb.bbclass

@@ -13,7 +13,7 @@ populate_sdk_post_deb () {
 	local target_rootfs=$1
 
 	mkdir -p ${target_rootfs}/etc
-	tar -cf - -C ${STAGING_ETCDIR_NATIVE} -ps apt | tar -xf - -C ${target_rootfs}/etc
+	tar -cf - -C ${STAGING_ETCDIR_NATIVE} -p apt | tar -xf - -C ${target_rootfs}/etc
 }
 
 populate_sdk_deb () {