Platform: stm: b_u585i_iot02a: Add flash layout info.

Add B-U585I-IOT02A in cortex M33 list in platform_introduction.rst

Change-Id: Ic8780fe0a8437ec5e783c77b64d3ae12974b43e3
Signed-off-by: Michel Jaouen <michel.jaouen@st.com>
2 files changed