Fix URLs to TF-M documentation

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
Change-Id: I9afd98008779b34104c25eac913a7d0e29c035d2
diff --git a/tf-m-build-config.yaml b/tf-m-build-config.yaml
index 4581ae2..94c5af0 100644
--- a/tf-m-build-config.yaml
+++ b/tf-m-build-config.yaml
@@ -27,32 +27,32 @@
           name: 'TARGET_PLATFORM'
           description: |
             Specifies the target platform.
-            For more information see <a href="https://git.trustedfirmware.org/trusted-firmware-m.git/tree/docs/user_guides/tfm_build_instruction.rst">here</a>.
+            For more information see <a href="https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/plain/docs/getting_started/tfm_build_instruction.rst">here</a>.
           default: ''
       - string:
           name: 'PROJ_CONFIG'
           description: |
             Specifies the way the application is built.
-            For more information see <a href="https://git.trustedfirmware.org/trusted-firmware-m.git/tree/docs/user_guides/tfm_build_instruction.rst">here</a>.
+            For more information see <a href="https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/plain/docs/getting_started/tfm_build_instruction.rst">here</a>.
           default: ''
       - string:
           name: 'COMPILER'
           description: |
             Specifies the compiler toolchain.
-            For more information see <a href="https://git.trustedfirmware.org/trusted-firmware-m.git/tree/docs/user_guides/tfm_build_instruction.rst">here</a>.
+            For more information see <a href="https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/plain/docs/getting_started/tfm_build_instruction.rst">here</a>.
           default: ''
       - string:
           name: 'CMAKE_BUILD_TYPE'
           description: |
             Configures debugging support.
-            For more information see <a href="https://git.trustedfirmware.org/trusted-firmware-m.git/tree/docs/user_guides/tfm_build_instruction.rst">here</a>.
+            For more information see <a href="https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/plain/docs/getting_started/tfm_build_instruction.rst">here</a>.
           default: ''
       - string:
           name: 'BL2'
           default: 'True'
           description: |
             Whether to build BL2.
-            For more information see <a href="https://git.trustedfirmware.org/trusted-firmware-m.git/tree/docs/user_guides/tfm_secure_boot.rst">here</a>.
+            For more information see <a href="https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/plain/docs/getting_started/tfm_secure_boot.rst">here</a>.
       - string:
           name: 'GERRIT_REFSPEC'
           default: 'refs/heads/master'