Update device.h

Enabled I2CSlave

Author: Willem23

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC82X/TARGET_SSCI824/device.h

@@ -29,7 +29,7 @@
 #define DEVICE_SERIAL_FC        0
 
 #define DEVICE_I2C              1
-#define DEVICE_I2CSLAVE         0
+#define DEVICE_I2CSLAVE         1
 
 #define DEVICE_SPI              1
 #define DEVICE_SPISLAVE         1