feat(fwu): update the URL links for the FWU specification

Update the links for accessing the FWU Multi Bank update specification
to point to the latest revision of the specification.

Change-Id: I25f35556a94ca81ca0a7463aebfcbc2d84595e8f
Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org>
diff --git a/docs/components/firmware-update.rst b/docs/components/firmware-update.rst
index 1ba1e1c..eda7852 100644
--- a/docs/components/firmware-update.rst
+++ b/docs/components/firmware-update.rst
@@ -494,4 +494,4 @@
 .. _Universally Unique Identifier: https://tools.ietf.org/rfc/rfc4122.txt
 .. |Flow Diagram| image:: ../resources/diagrams/fwu_flow.png
 .. |FWU state machine| image:: ../resources/diagrams/fwu_states.png
-.. _PSA FW update specification: https://developer.arm.com/documentation/den0118/a/
+.. _PSA FW update specification: https://developer.arm.com/documentation/den0118/latest/
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst
index 37545ce..def9fda 100644
--- a/docs/getting_started/build-options.rst
+++ b/docs/getting_started/build-options.rst
@@ -1345,7 +1345,7 @@
 *Copyright (c) 2019-2024, Arm Limited. All rights reserved.*
 
 .. _DEN0115: https://developer.arm.com/docs/den0115/latest
-.. _PSA FW update specification: https://developer.arm.com/documentation/den0118/a/
+.. _PSA FW update specification: https://developer.arm.com/documentation/den0118/latest/
 .. _PSA DRTM specification: https://developer.arm.com/documentation/den0113/a
 .. _GCC: https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
 .. _Clang: https://clang.llvm.org/docs/DiagnosticsReference.html
diff --git a/docs/index.rst b/docs/index.rst
index cdb237a..c05c0a5 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -95,4 +95,4 @@
 .. _System Control and Management Interface (SCMI): http://infocenter.arm.com/help/topic/com.arm.doc.den0056a/DEN0056A_System_Control_and_Management_Interface.pdf
 .. _Software Delegated Exception Interface (SDEI): http://infocenter.arm.com/help/topic/com.arm.doc.den0054a/ARM_DEN0054A_Software_Delegated_Exception_Interface.pdf
 .. _SMC Calling Convention: https://developer.arm.com/docs/den0028/latest
-.. _PSA FW update specification: https://developer.arm.com/documentation/den0118/a/
+.. _PSA FW update specification: https://developer.arm.com/documentation/den0118/latest/
diff --git a/include/drivers/fwu/fwu_metadata.h b/include/drivers/fwu/fwu_metadata.h
index 2e88de5..7ff1176 100644
--- a/include/drivers/fwu/fwu_metadata.h
+++ b/include/drivers/fwu/fwu_metadata.h
@@ -4,7 +4,7 @@
  * SPDX-License-Identifier: BSD-3-Clause
  *
  * FWU metadata information as per the specification section 4.1:
- * https://developer.arm.com/documentation/den0118/a/
+ * https://developer.arm.com/documentation/den0118/latest/
  *
  */