kconfig: handle globbed files backwards

They're essentially collected on a stack before they're
parsed. So we push them backwards, then parse them in
the correct order.

Change-Id: Ibf29559389cd19f260d67bae8e0b5ef9f4f58d91
Signed-off-by: Patrick Georgi <patrick@georgi-clan.de>
Reviewed-on: http://review.coreboot.org/10169
Tested-by: build bot (Jenkins)
Reviewed-by: Timothy Pearson <tpearson@raptorengineeringinc.com>

util/kconfig/zconf.l

@@ -351,9 +351,14 @@ void zconf_nextfiles(const char *wildcard)
 		return;
 	}
 
-	w = g.gl_pathv;
-	while (*w)
-		zconf_nextfile(*w++);
+	/* working through files backwards, since
+	 * we're first pushing them on a stack
+	 * before actually handling them.
+	 */
+	for (i = g.gl_pathc; i > 0; i--) {
+		w = &g.gl_pathv[i - 1];
+		zconf_nextfile(*w);
+	}
 
 	globfree(&g);
 }