thunderbolt: fix format string for size_t

The result of "sizeof(struct tb_drom_entry_port)" is a size_t, which
is not necessarily the same as 'long', so we should use the appropriate
%z format string instead of %l.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Andreas Noever <andreas.noever@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/thunderbolt/eeprom.c

@@ -323,7 +323,7 @@ static int tb_drom_parse_entry(struct tb_switch *sw,
 		struct tb_drom_entry_port *entry = (void *) header;
 		if (header->len != sizeof(*entry)) {
 			tb_sw_warn(sw,
-				"port entry has size %#x (expected %#lx)\n",
+				"port entry has size %#x (expected %#zx)\n",
 				header->len, sizeof(struct tb_drom_entry_port));
 			return -EIO;
 		}