Test: Add integration of the eRPC system

 - PSA Client API IDL file
 - Client and server init and API wrappers
 - Example client application

Signed-off-by: Kevin Peng <kevin.peng@arm.com>
Signed-off-by: Jamie Fox <jamie.fox@arm.com>
Signed-off-by: Summer Qin <summer.qin@arm.com>
Change-Id: If6180fd3e596c9daabd31262fb10ae0a1583bc9b
diff --git a/erpc/host_example/README.rst b/erpc/host_example/README.rst
new file mode 100644
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+*********
+eRPC Host
+*********
+
+This host example is only tested for Linux.
+
+Example: UART Transportation on Musca_S1
+========================================
+
+Build instructions on the target
+--------------------------------
+
+.. code-block:: bash
+
+    cd <TF-M base folder>
+    cmake -G"Unix Makefiles" -S . -B cmake_build -DTFM_PLATFORM=musca_s1 -DTFM_TOOLCHAIN_FILE=toolchain_GNUARM.cmake -DCMAKE_BUILD_TYPE=Debug -DCONFIG_TFM_ERPC_TEST_FRAMEWORK=ON ../
+    cmake --build cmake_build/ -- install -j32
+
+Build instructions on the host
+------------------------------
+
+.. code-block:: bash
+
+    cd <TF-M tests base folder>/erpc/host_example
+    cmake -S . -B build -G "Unix Makefiles" -DTFM_INSTALL_PATH=<TF-M install folder> -DERPC_REPO_PATH=<eRPC base folder> -DERPC_TRANSPORT=UART -DPORT_NAME="/dev/ttyACM0"
+    cmake --build  build/
+
+Run instructions on the host
+----------------------------
+
+.. code-block:: bash
+
+    cd <TF-M tests base folder>/erpc/host_example
+    ./build/erpc_main
+
+Example: TCP Transportation on AN521 FVP
+========================================
+
+Build instructions on the target
+--------------------------------
+
+.. code-block:: bash
+
+    cd <TF-M base folder>
+    cmake -G"Unix Makefiles" -S . -B cmake_build -DTFM_PLATFORM=an521 -DTFM_TOOLCHAIN_FILE=toolchain_GNUARM.cmake -DCMAKE_BUILD_TYPE=Debug -DCONFIG_TFM_ERPC_TEST_FRAMEWORK=ON ../
+    cmake --build cmake_build/ -- install -j32
+
+Build instructions on the host
+------------------------------
+
+.. code-block:: bash
+
+    cd <TF-M tests base folder>/erpc/host_example
+    cmake -S . -B build -G "Unix Makefiles" -DTFM_INSTALL_PATH=<TF-M install folder> -DERPC_REPO_PATH=<eRPC base folder> -DERPC_TRANSPORT=TCP -DERPC_HOST="0.0.0.0" -DERPC_PORT=5001
+    cmake --build  build/
+
+Run instructions on the host
+----------------------------
+
+Start the AN521 FVP:
+
+.. code-block:: bash
+
+    <DS_PATH>/sw/models/bin/FVP_MPS2_AEMv8M  \
+    --parameter fvp_mps2.platform_type=2 \
+    --parameter cpu0.baseline=0 \
+    --parameter cpu0.INITVTOR_S=0x10000000 \
+    --parameter cpu0.semihosting-enable=0 \
+    --parameter fvp_mps2.DISABLE_GATING=0 \
+    --parameter fvp_mps2.telnetterminal0.start_telnet=1 \
+    --parameter fvp_mps2.telnetterminal1.start_telnet=0 \
+    --parameter fvp_mps2.telnetterminal2.start_telnet=0 \
+    --parameter fvp_mps2.telnetterminal0.quiet=0 \
+    --parameter fvp_mps2.telnetterminal1.quiet=1 \
+    --parameter fvp_mps2.telnetterminal2.quiet=1 \
+    --parameter fvp_mps2.UART0.out_file=/dev/stdout \
+    --parameter fvp_mps2.UART0.unbuffered_output=1 \
+    --parameter fvp_mps2.telnetterminal1.mode=raw \
+    --parameter fvp_mps2.UART1.unbuffered_output=1 \
+    --parameter fvp_mps2.mps2_visualisation.disable-visualisation=1 \
+    --application cpu0=<APPLICATION> \
+    --data cpu0=<DATA>@0x10080000 \
+    -M 1
+
+.. code-block:: bash
+
+    cd <TF-M tests base folder>/erpc/host_example
+    ./build/erpc_main
+
+--------------
+
+*Copyright (c) 2023, Arm Limited. All rights reserved.*