docs-rst: create an user's manual book

Place README, REPORTING-BUGS, SecurityBugs and kernel-parameters
on an user's manual book.

As we'll be numbering the user's manual, remove the manual
numbering from SecurityBugs.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/conf.py b/Documentation/conf.py
index b08e0c9..d9bad21 100644
--- a/Documentation/conf.py
+++ b/Documentation/conf.py
@@ -336,6 +336,8 @@
 # (source start file, target name, title,
 #  author, documentclass [howto, manual, or own class]).
 latex_documents = [
+    ('user/index', 'linux-user.tex', 'Linux Kernel User Documentation',
+     'The kernel development community', 'manual'),
     ('kernel-documentation', 'kernel-documentation.tex', 'The Linux Kernel Documentation',
      'The kernel development community', 'manual'),
     ('process/index', 'development-process.tex', 'Linux Kernel Development Documentation',