Platform: Add support for Corstone-Polaris

Change-Id: I26b5baf9fea8105f25e877f7ed253b991528a7f0
Signed-off-by: Gabor Abonyi <gabor.abonyi@arm.com>
diff --git a/platform/ext/platform_introduction.rst b/platform/ext/platform_introduction.rst
index eec3328..ebb06c0 100644
--- a/platform/ext/platform_introduction.rst
+++ b/platform/ext/platform_introduction.rst
@@ -2,6 +2,10 @@
 Platforms introduction
 ######################
 
+    - Olympus system
+
+        - Corstone-Polaris Ethos-U55 FVP (Olympus CPU plus Ethos-U55)
+
     - Cortex-M55 system:
 
         - `FPGA image loaded on MPS3 board (AN547).