[LPC1549] Corrected wrong pin name

Author: toyowata

libraries/mbed/targets/hal/TARGET_NXP/TARGET_LPC15XX/PinNames.h

@@ -54,15 +54,15 @@ typedef enum {
     D2 = P0_29,
     D3 = P0_9,
     D4 = P0_10,
-    D5 = P0_16,
+    D5 = P0_16, // same port as D13
     D6 = P1_3,
     D7 = P0_0,
     D8 = P0_24,
-    D9 = P0_2,
+    D9 = P1_0,
     D10= P0_27,
     D11= P0_28,
     D12= P0_12,
-    D13= P0_16,
+    D13= P0_16, // same port as D5
     A0 = P0_8,
     A1 = P0_7,
     A2 = P0_6,