docs-rst: convert rapidio book to ReST

Use pandoc to convert documentation to ReST by calling
Documentation/sphinx/tmplcvt script.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/driver-api/index.rst b/Documentation/driver-api/index.rst
index 8610aab..1f8517d 100644
--- a/Documentation/driver-api/index.rst
+++ b/Documentation/driver-api/index.rst
@@ -36,6 +36,7 @@
    libata
    miscellaneous
    w1
+   rapidio
    s390-drivers
    vme
    80211/index