samples: net: wifi: shell: Enable coredump logging

This is handy to use Zephyr tools to convert to a coredump for offline
analysis.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

samples/net/wifi/shell/overlay-debug.conf

@@ -0,0 +1,5 @@
+# Debugging
+CONFIG_STACK_SENTINEL=y
+CONFIG_DEBUG_COREDUMP=y
+CONFIG_DEBUG_COREDUMP_BACKEND_LOGGING=y
+CONFIG_DEBUG_COREDUMP_MEMORY_DUMP_MIN=y