Update stm32wrapper.py script for stm32mp1 startup files

Signed-off-by: Frederic Pillon <frederic.pillon@st.com>

Author: fpistm

CI/utils/stm32wrapper.py

@@ -131,9 +131,9 @@ def printCMSISStartup(log):
                 # File name
                 fn = os.path.basename(fp)
                 valueline = re.split("_|\\.", fn)
-                upper = (
-                    valueline[1].upper().replace("X", "x").replace("MP15xx", "MP1xx")
-                )
+                if "stm32mp15" in valueline[1] and not valueline[1].endswith("xx"):
+                    valueline[1] += "xx"
+                upper = valueline[1].upper().replace("X", "x")
                 out_file.write(
                     """  #elif defined({})
     #define CMSIS_STARTUP_FILE \"{}\"