MAINTAINERS: update SEC2 driver maintainers list

Adding Kai Ye as SEC2 maintainer.
Signed-off-by: NKai Ye <yekai13@huawei.com>
Signed-off-by: NZaibo Xu <xuzaibo@huawei.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -8629,6 +8629,7 @@ F:	drivers/scsi/hisi_sas/
 
 HISILICON SECURITY ENGINE V2 DRIVER (SEC2)
 M:	Zaibo Xu <xuzaibo@huawei.com>
+M:	Kai Ye <yekai13@huawei.com>
 L:	linux-crypto@vger.kernel.org
 S:	Maintained
 F:	Documentation/ABI/testing/debugfs-hisi-sec