doc-rst: admin-guide: move bug bisect to a separate file

Better organize the admin guide documentation by moving the
bug bisect to a separate file.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/admin-guide/index.rst b/Documentation/admin-guide/index.rst
index 368845e..98e60f6 100644
--- a/Documentation/admin-guide/index.rst
+++ b/Documentation/admin-guide/index.rst
@@ -26,6 +26,7 @@
    reporting-bugs
    security-bugs
    bug-hunting
+   bug-bisect
    oops-tracing
    ramoops
    dynamic-debug-howto