Docs: Update Diadem related documentation

Change-Id: I4516cfa8124d82e3274ac482881b8c51519c8336
Signed-off-by: Gabor Abonyi <gabor.abonyi@arm.com>
diff --git a/docs/integration_guide/tfm_integration_guide.rst b/docs/integration_guide/tfm_integration_guide.rst
index 9c1ecfa..7979c65 100644
--- a/docs/integration_guide/tfm_integration_guide.rst
+++ b/docs/integration_guide/tfm_integration_guide.rst
@@ -33,6 +33,8 @@
 - Musca-S1 test chip board (Cortex-M33 SSE-200 subsystem)
 - CoreLink SSE-200 Subsystem for MPS3 (AN524)
 - Corstone SSE-300 with Ethos-U55 Example Subsystem for MPS3 (AN547)
+- Corstone SSE-300 with Ethos-U55 Example Subsystem for MPS3 (AN552)
+- Corstone-300 Ethos-U55 Ecosystem FVP (FVP_SSE300_MPS3)
 - STM32L5xx: Cortex-M33 based platform (STM32L562 and STM32L552 socs)
 - nRF9160 DK (Cortex-M33)
 - nRF5340 DK (Cortex-M33 Application MCU)
@@ -173,4 +175,4 @@
 
 --------------
 
-*Copyright (c) 2017-2021, Arm Limited. All rights reserved.*
+*Copyright (c) 2017-2022, Arm Limited. All rights reserved.*
diff --git a/docs/technical_references/design_docs/tfm_secure_boot.rst b/docs/technical_references/design_docs/tfm_secure_boot.rst
index c6e939e..5060fd9 100644
--- a/docs/technical_references/design_docs/tfm_secure_boot.rst
+++ b/docs/technical_references/design_docs/tfm_secure_boot.rst
@@ -246,6 +246,8 @@
 +---------------------+-----------------+---------------+----------+----------------+--------------+
 | AN547               | No              | Yes           | Yes      | Yes            | No           |
 +---------------------+-----------------+---------------+----------+----------------+--------------+
+| AN552               | No              | Yes           | Yes      | Yes            | No           |
++---------------------+-----------------+---------------+----------+----------------+--------------+
 | PSoC64              | Yes             | No            | No       | No             | No           |
 +---------------------+-----------------+---------------+----------+----------------+--------------+
 | STM_DISCO_L562QE    | No              | Yes           | No       | No             | No           |
@@ -808,4 +810,4 @@
     image. As a result, the firmware update service is not supported in
     direct-xip mode and ram-load mode.
 
-*Copyright (c) 2018-2021, Arm Limited. All rights reserved.*
+*Copyright (c) 2018-2022, Arm Limited. All rights reserved.*