Added Uart1 example

uart/main.cpp

@@ -14,8 +14,10 @@ void newUartUsage()
 {
 	using namespace uart;
 	Uart0<> serial;
+	Uart1<> serial1;
 
 	serial << "Hello World from RAM. " << F("Hello World from flash\r\n");
+	serial1 << "Hello World from RAM. " << F("Hello World from flash\r\n");
 
 	_delay_ms(1000);
 }