fixed hang in Firetos initialize_hardware()

.project

@@ -7,6 +7,7 @@
 	<buildSpec>
 		<buildCommand>
 			<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+			<triggers>clean,full,incremental,</triggers>
 			<arguments>
 				<dictionary>
 					<key>?children?</key>

sources/sysinit.c

@@ -796,6 +796,8 @@ void initialize_hardware(void) {
 	if (!(DIP_SWITCH & (1 << 6))) {
 		/* Minimal hardware initialization */
 		init_gpio();
+		init_serial();
+		init_slt();
 		init_fbcs();
 		init_ddram();
 		init_fpga();