docs: ABI: fix syntax to be parsed using ReST notation

There are a number of new changes at the ABI files that cause
them to produce warnings when generating ABI output.

Fix them.

Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/55a89f423cf122982c462d257722e44d6ece4b36.1604042072.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/Documentation/ABI/testing/sysfs-bus-most b/Documentation/ABI/testing/sysfs-bus-most
index ec0a603..38cc03e 100644
--- a/Documentation/ABI/testing/sysfs-bus-most
+++ b/Documentation/ABI/testing/sysfs-bus-most
@@ -235,7 +235,8 @@
 Contact:	Christian Gromm <christian.gromm@microchip.com>
 Description:
 		This is to read back the configured direction of the channel.
-		The following strings will be accepted:
+		The following strings will be accepted::
+
 			'tx',
 			'rx'
 Users:
@@ -246,7 +247,8 @@
 Contact:	Christian Gromm <christian.gromm@microchip.com>
 Description:
 		This is to read back the configured data type of the channel.
-		The following strings will be accepted:
+		The following strings will be accepted::
+
 			'control',
 			'async',
 			'sync',