scsi: docs: convert tcm_qla2xxx.txt to ReST

Link: https://lore.kernel.org/r/de73fa02f38f67f54f22ef2842f9680c0b34434a.1583136624.git.mchehab+huawei@kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
diff --git a/Documentation/scsi/index.rst b/Documentation/scsi/index.rst
index 238dd0a..df005cb 100644
--- a/Documentation/scsi/index.rst
+++ b/Documentation/scsi/index.rst
@@ -43,5 +43,6 @@
    st
    sym53c500_cs
    sym53c8xx_2
+   tcm_qla2xxx
 
    scsi_transport_srp/figures