Docs: Minor restructuring of examples' docs

Signed-off-by: Anton Komlev <anton.komlev@arm.com>
Change-Id: Iaa14071fd2b8278e73fc8d6a760b512887942340
diff --git a/docs/examples/examples.rst b/docs/examples/examples.rst
index c494b10..5819ba7 100644
--- a/docs/examples/examples.rst
+++ b/docs/examples/examples.rst
@@ -1,8 +1,8 @@
 The list and simple introduction of the examples in this folder.
 
-*******************
-corstone310_fvp_dma
-*******************
+********************
+DMA-350 for FreeRTOS
+********************
 
 * DMA-350 Secure tests
 * Non-secure DMA-350 examples for the Corstone-310 FVP platform
@@ -12,18 +12,8 @@
 - Bence Balogh `<bence.balogh@arm.com> <bence.balogh@arm.com>`_
 - Mark Horvath `<mark.horvath@arm.com> <mark.horvath@arm.com>`_
 
-*************************
-extra_test_suites_example
-*************************
-
-An example and template of out-of-tree build of extra regression test suites.
-
-**Maintainers**
-
-Jianliang Shen `<jianliang.shen@arm.com> <jianliang.shen@arm.com>`_
-
 *****************
-example_partition
+Example Partition
 *****************
 
 A simple secure partition implementation.
@@ -32,9 +22,9 @@
 
 Jianliang Shen `<jianliang.shen@arm.com> <jianliang.shen@arm.com>`_
 
-*********
-vad_an552
-*********
+************************
+Voice Activity Detection
+************************
 
 Example application for the AN552 FPGA image, details can be found
 `here </examples/vad_an552/readme.rst>`.