[PATCH 3/4] Documentation: lto: use bullet lists for external link references list

[Bagas Sanjaya]

Similar to the FAQ, use bullet lists in References section since it
contains list of external reference links.

Signed-off-by: Bagas Sanjaya <bagasdotme@xxxxxxxxx>
---
 Documentation/kbuild/lto-build.rst | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/Documentation/kbuild/lto-build.rst b/Documentation/kbuild/lto-build.rst
index 9e3e14042dda4c..3fb17342e72fd6 100644
--- a/Documentation/kbuild/lto-build.rst
+++ b/Documentation/kbuild/lto-build.rst
@@ -56,17 +56,20 @@ FAQs:
 References:
 -----------
 
-Presentation on Kernel LTO
-(note, performance numbers/details totally outdated.)
-http://halobates.de/kernel-lto.pdf
+* Presentation on Kernel LTO
+  (note, performance numbers/details totally outdated.)
 
-Generic gcc LTO:
-http://www.ucw.cz/~hubicka/slides/labs2013.pdf
-http://www.hipeac.net/system/files/barcelona.pdf
+  http://halobates.de/kernel-lto.pdf
 
-Somewhat outdated too:
-http://gcc.gnu.org/projects/lto/lto.pdf
-http://gcc.gnu.org/projects/lto/whopr.pdf
+* Generic gcc LTO:
+
+  * http://www.ucw.cz/~hubicka/slides/labs2013.pdf
+  * http://www.hipeac.net/system/files/barcelona.pdf
+
+* Somewhat outdated too (from GCC site):
+
+  * http://gcc.gnu.org/projects/lto/lto.pdf
+  * http://gcc.gnu.org/projects/lto/whopr.pdf
 
 Happy Link-Time-Optimizing!
 
-- 
An old man doll... just what I always wanted! - Clara