sim monolithic self-update: sign the stripped test app

Author: danielinux

config/examples/sim-self-update-monolithic.config

@@ -8,6 +8,8 @@ DEBUG=1
 RAM_CODE=1
 SELF_UPDATE_MONOLITHIC=1
 WOLFBOOT_VERSION=1
+# Sign the debug-stripped app so it fits the BOOT share of the install span
+STRIP_ELF=1
 
 # Asymmetric layout: BOOT only holds the app; UPDATE stages the monolithic
 # payload. UPDATE (0x80000) matches the install span (bootloader region