docs: hwmon: vexpress: convert to ReST format

Convert vexpress to ReST format, in order to allow it to
be parsed by Sphinx.
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Liviu Dudau <liviu.dudau@arm.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

Documentation/hwmon/vexpress

@@ -2,14 +2,21 @@ Kernel driver vexpress
 ======================
 
 Supported systems:
+
   * ARM Ltd. Versatile Express platform
+
     Prefix: 'vexpress'
+
     Datasheets:
+
       * "Hardware Description" sections of the Technical Reference Manuals
-        for the Versatile Express boards:
-        http://infocenter.arm.com/help/topic/com.arm.doc.subset.boards.express/index.html
+	for the Versatile Express boards:
+
+	- http://infocenter.arm.com/help/topic/com.arm.doc.subset.boards.express/index.html
+
       * Section "4.4.14. System Configuration registers" of the V2M-P1 TRM:
-        http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0447-/index.html
+
+	- http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dui0447-/index.html
 
 Author: Pawel Moll