Build: Restructure Musca-B1 folders

Original musca_b1 platform is renamed to musca_b1/sse_200, and
musca_b1_secure_enclave is renamed to musca_b1/secure_enclave.

Change-Id: If05f1878cff3808ec95e207abe4a0a433998523c
Signed-off-by: Gabor Abonyi <gabor.abonyi@arm.com>
Signed-off-by: Mark Horvath <mark.horvath@arm.com>
diff --git a/docs/getting_started/tfm_secure_boot.rst b/docs/getting_started/tfm_secure_boot.rst
index 3cc2b61..03175f2 100644
--- a/docs/getting_started/tfm_secure_boot.rst
+++ b/docs/getting_started/tfm_secure_boot.rst
@@ -311,7 +311,7 @@
 
 Example of how to provide the secure image minimum version::
 
-    cmake -DTFM_PLATFORM=musca_b1 -DTFM_TOOLCHAIN_FILE=../toolchain_GNUARM.cmake -DMCUBOOT_S_IMAGE_MIN_VER=1.2.3+4 ..
+    cmake -DTFM_PLATFORM=musca_b1/sse_200 -DTFM_TOOLCHAIN_FILE=../toolchain_GNUARM.cmake -DMCUBOOT_S_IMAGE_MIN_VER=1.2.3+4 ..
 
 ********************
 Signature algorithms
@@ -429,7 +429,7 @@
 The version number of the image (single image boot) can manually be passed in
 through the command line in the cmake configuration step::
 
-    cmake -DTFM_PLATFORM=musca_b1 -DTFM_TOOLCHAIN_FILE=../toolchain_GNUARM.cmake -DIMAGE_VERSION_S=1.2.3+4 ..
+    cmake -DTFM_PLATFORM=musca_b1/sse_200 -DTFM_TOOLCHAIN_FILE=../toolchain_GNUARM.cmake -DIMAGE_VERSION_S=1.2.3+4 ..
 
 Alternatively, the version number can be less specific (e.g 1, 1.2, or 1.2.3),
 where the missing numbers are automatically set to zero. The image version
@@ -463,7 +463,7 @@
 current image version. The value of the security counter (single image boot) can
 be specified at build time in the cmake configuration step::
 
-    cmake -DTFM_PLATFORM=musca_b1 -DTFM_TOOLCHAIN_FILE=../toolchain_GNUARM.cmake -DSECURITY_COUNTER_S=42 ../
+    cmake -DTFM_PLATFORM=musca_b1/sse_200 -DTFM_TOOLCHAIN_FILE=../toolchain_GNUARM.cmake -DSECURITY_COUNTER_S=42 ../
 
 The security counter can be independent from the image version, but not
 necessarily. Alternatively, if it is not specified at build time with the
diff --git a/docs/getting_started/tfm_user_guide.rst b/docs/getting_started/tfm_user_guide.rst
index 58746ef..1a2de50 100644
--- a/docs/getting_started/tfm_user_guide.rst
+++ b/docs/getting_started/tfm_user_guide.rst
@@ -224,7 +224,7 @@
 .. Note::
 
     Before executing any images on Musca-B1 board, please check the
-    :doc:`target platform readme </platform/ext/target/musca_b1/readme>`
+    :doc:`target platform readme </platform/ext/target/musca_b1/sse_200/readme>`
     to have the correct setup.
 
 Example application with BL2 bootloader
@@ -431,7 +431,7 @@
 ============================================================================
 
 Follow the above procedures, but to create a unified hex please check the
-:doc:`Musca-B1 Secure Enclave readme </platform/ext/target/musca_b1_secure_enclave/readme>`.
+:doc:`Musca-B1 Secure Enclave readme </platform/ext/target/musca_b1/secure_enclave/readme>`.
 
 ********************************************************
 Execute TF-M example and regression tests on MPS3 boards
diff --git a/docs/introduction/readme.rst b/docs/introduction/readme.rst
index e867ba3..2e07c11 100644
--- a/docs/introduction/readme.rst
+++ b/docs/introduction/readme.rst
@@ -162,7 +162,7 @@
 
     - Secure Enclave system:
 
-        - :doc:`Musca-B1 Secure Enclave. </platform/ext/target/musca_b1_secure_enclave/readme>`
+        - :doc:`Musca-B1 Secure Enclave. </platform/ext/target/musca_b1/secure_enclave/readme>`
 
 The document :doc:`Platform Deprecation and Removal </docs/contributing/platform_deprecation>`
 lists the deprecated platforms planned to be removed from upstream.