Docs: Update min version requirement for GCC and ARM compiler

- gcc version: Minimum 10.3.2021
- Arm compiler: Minimum v6.21
- IAR compiler: Minimum v9.30.1

Change-Id: I993f3d687dd6f6f5d5a54a693e7af33dab492454
Signed-off-by: Mudit Sharma <mudit.sharma@arm.com>
diff --git a/docs/getting_started/tfm_getting_started.rst b/docs/getting_started/tfm_getting_started.rst
index f2c7b73..46c4ced 100644
--- a/docs/getting_started/tfm_getting_started.rst
+++ b/docs/getting_started/tfm_getting_started.rst
@@ -152,7 +152,7 @@
 be available in the build environment. The currently supported compiler
 versions are:
 
-    - Arm Compiler v6.13 ~ v6.14, v6.18+
+    - Arm Compiler minimum version v6.21
 
       .. tabs::
 
@@ -180,15 +180,7 @@
 
               - Configure proper tool variant and license.
 
-      .. note::
-
-          Arm compiler v6.15 ~ v6.17 may cause MemManage fault.
-          This defect has been fixed since Arm compiler v6.18.
-          See [SDCOMP-59788] in Armclang v6.18 `release note`__ for details.
-
-          .. __: https://developer.arm.com/documentation/107814/6-18
-
-    - GNU Arm compiler v7.3.1+
+    - GNU Arm compiler version minimum 10.3.2021.10
 
       .. tabs::
 
@@ -210,13 +202,7 @@
 
                     set PATH=<GNU_ARM_PATH>\bin;%PATH%
 
-      .. note::
-
-          GNU Arm compiler version *10-2020-q4-major* has an issue in CMSE
-          support. The bug is reported in `here <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99157>`__.
-          Select other GNU Arm compiler versions instead.
-
-    - IAR Arm compiler v8.42.x, v8.50.x
+    - IAR Arm compiler v9.30.1
 
       .. tabs::
 
@@ -504,6 +490,6 @@
 
 --------------
 
-*Copyright (c) 2017-2024, Arm Limited. All rights reserved.*
-*Copyright (c) 2022 Cypress Semiconductor Corporation (an Infineon company)
-or an affiliate of Cypress Semiconductor Corporation. All rights reserved.*
+*SPDX-License-Identifier: BSD-3-Clause*
+
+*SPDX-FileCopyrightText: Copyright The TrustedFirmware-M Contributors*