platform: stm: Add board stm32h573i_dk

Change-Id: I0fc2e6884f589edf81b487f2435ad79960a3f954
Signed-off-by: Ahmad EL JOUAID <ahmad.eljouaid@st.com>
diff --git a/docs/platform/platform_introduction.rst b/docs/platform/platform_introduction.rst
index 8b9d0b4..c49381f 100644
--- a/docs/platform/platform_introduction.rst
+++ b/docs/platform/platform_introduction.rst
@@ -33,6 +33,8 @@
           <https://developer.arm.com/tools-and-software/development-boards/fpga-prototyping-boards/mps3>`_
         - `LPC55S69.
           <https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpc5500-cortex-m33/lpcxpresso55s69-development-board:LPC55S69-EVK>`_
+        - `STM32H573I-DK.
+          <https://www.st.com/en/evaluation-tools/stm32h573i-dk.html>`_
         - `B-U585I-IOT02A.
           <https://www.st.com/en/evaluation-tools/B-U585I-IOT02A.html>`_
         - `NUCLEO L552ZE Q.