thunderbolt: Fix old style declaration warning

Fix gcc build warning:

drivers/thunderbolt/quirks.c:21:1: warning:
 'static' is not at beginning of declaration [-Wold-style-declaration]
   21 | const static struct tb_quirk tb_quirks[] = {
      | ^~~~~

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>