scsi: docs: convert aha152x.txt to ReST

Link: https://lore.kernel.org/r/097cfcc7f25343676a1fedcefed7e3b91b41b4df.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/scsi-parameters.txt b/Documentation/scsi/scsi-parameters.txt
index 25a4b4c..064d6dfc 100644
--- a/Documentation/scsi/scsi-parameters.txt
+++ b/Documentation/scsi/scsi-parameters.txt
@@ -16,7 +16,7 @@
 			See header of drivers/scsi/advansys.c.
 
 	aha152x=	[HW,SCSI]
-			See Documentation/scsi/aha152x.txt.
+			See Documentation/scsi/aha152x.rst.
 
 	aha1542=	[HW,SCSI]
 			Format: <portbase>[,<buson>,<busoff>[,<dmaspeed>]]