[init] Show startup and shutdown function names in debug messages

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/interface/efi/efi_timer.c

@@ -212,6 +212,7 @@ static void efi_tick_shutdown ( int booting __unused ) {
 
 /** Timer tick startup function */
 struct startup_fn efi_tick_startup_fn __startup_fn ( STARTUP_EARLY ) = {
+	.name = "efi_tick",
 	.startup = efi_tick_startup,
 	.shutdown = efi_tick_shutdown,
 };

src/interface/linux/linux_console.c

@@ -150,6 +150,7 @@ static void linux_console_shutdown(int flags __unused)
 }
 
 struct startup_fn linux_console_startup_fn __startup_fn(STARTUP_EARLY) = {
+	.name = "linux_console",
 	.startup = linux_console_startup,
 	.shutdown = linux_console_shutdown,
 };