feat(wl3): add __libc_init_array call to startup

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

Author: fpistm

system/Drivers/CMSIS/Device/ST/STM32WL3x/Source/Templates/gcc/startup_stm32wl3xx.s

@@ -83,6 +83,8 @@ LoopFillZerobss:
   cmp  r2, r3
   bcc  FillZerobss
 
+/* Call static constructors */
+  bl __libc_init_array
 /* Call the application's entry point.*/
   bl  main