Merge pull request #11736 from OpenNuvoton/nuvoton_remove_trng

Nuvoton: Remove TRNG support

Author: 0xc0170

targets/TARGET_NUVOTON/TARGET_M480/objects.h

@@ -1,5 +1,5 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2015-2016 Nuvoton
+ * Copyright (c) 2015-2019 Nuvoton
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -118,10 +118,6 @@ struct pwmout_s {
     uint32_t pulsewidth_us;
 };
 
-struct trng_s {
-    uint8_t dummy;
-};
-
 struct can_s {
     CANName can;
     PinName pin_rd;

targets/TARGET_NUVOTON/TARGET_M480/trng_api.c

@@ -1,5 +1,5 @@
 /* mbed Microcontroller Library
- * Copyright (c) 2015-2016 Nuvoton
+ * Copyright (c) 2015-2019 Nuvoton
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -114,10 +114,6 @@ struct pwmout_s {
     uint32_t pulsewidth_us;
 };
 
-struct trng_s {
-    uint8_t dummy;
-};
-
 struct can_s {
 	CANName can;
     PinName pin_rd;

targets/TARGET_NUVOTON/TARGET_NUC472/objects.h

@@ -7944,7 +7944,6 @@
             "SPI",
             "SPISLAVE",
             "SPI_ASYNCH",
-            "TRNG",
             "CAN",
             "FLASH",
             "EMAC",
@@ -8593,7 +8592,6 @@
             "SPI",
             "SPISLAVE",
             "SPI_ASYNCH",
-            "TRNG",
             "FLASH",
             "CAN",
             "EMAC",