[M487] Fix compile warnings with IAR toolchain

Author: ccli8

features/FEATURE_LWIP/lwip-interface/lwip-eth/arch/TARGET_NUVOTON/TARGET_M480/m480_eth.c

@@ -44,13 +44,13 @@ struct eth_descriptor rx_desc[RX_DESCRIPTOR_NUM] __attribute__ ((aligned(4)));
 struct eth_descriptor tx_desc[TX_DESCRIPTOR_NUM] __attribute__ ((aligned(4)));
 #endif
 */
-struct eth_descriptor rx_desc[RX_DESCRIPTOR_NUM] MBED_ALIGN(4);
-struct eth_descriptor tx_desc[TX_DESCRIPTOR_NUM] MBED_ALIGN(4);
+MBED_ALIGN(4) struct eth_descriptor rx_desc[RX_DESCRIPTOR_NUM];
+MBED_ALIGN(4) struct eth_descriptor tx_desc[TX_DESCRIPTOR_NUM];
 
 struct eth_descriptor volatile *cur_tx_desc_ptr, *cur_rx_desc_ptr, *fin_tx_desc_ptr;
 
-u8_t rx_buf[RX_DESCRIPTOR_NUM][PACKET_BUFFER_SIZE]  MBED_ALIGN(4);
-u8_t tx_buf[TX_DESCRIPTOR_NUM][PACKET_BUFFER_SIZE]  MBED_ALIGN(4);
+MBED_ALIGN(4) u8_t rx_buf[RX_DESCRIPTOR_NUM][PACKET_BUFFER_SIZE];
+MBED_ALIGN(4) u8_t tx_buf[TX_DESCRIPTOR_NUM][PACKET_BUFFER_SIZE];
 
 extern void ethernetif_input(u16_t len, u8_t *buf, u32_t s, u32_t ns);
 extern void ethernetif_loopback_input(struct pbuf *p);

features/mbedtls/targets/TARGET_NUVOTON/TARGET_M480/aes/aes_alt.c

@@ -56,8 +56,8 @@ extern volatile int  g_AES_done;
 
 // Must be a multiple of 16 bytes block size 
 #define MAX_DMA_CHAIN_SIZE (16*6)
-static uint8_t au8OutputData[MAX_DMA_CHAIN_SIZE] MBED_ALIGN(4);
-static uint8_t au8InputData[MAX_DMA_CHAIN_SIZE] MBED_ALIGN(4);
+MBED_ALIGN(4) static uint8_t au8OutputData[MAX_DMA_CHAIN_SIZE];
+MBED_ALIGN(4) static uint8_t au8InputData[MAX_DMA_CHAIN_SIZE];
 
 static void dumpHex(const unsigned char au8Data[], int len)
 {

targets/TARGET_NUVOTON/TARGET_M480/device/startup_M480.c

@@ -36,6 +36,8 @@ void FUN(void);                         \
 _Pragma(_STRINGIFY(_WEAK_ALIAS_FUNC(FUN, FUN_ALIAS)))
 #define _WEAK_ALIAS_FUNC(FUN, FUN_ALIAS) weak __WEAK_ALIAS_FUNC(FUN, FUN_ALIAS)
 #define __WEAK_ALIAS_FUNC(FUN, FUN_ALIAS) FUN##=##FUN_ALIAS
+// Suppress warning message Pe1665
+#pragma diag_suppress=Pe1665
 
 #elif defined(__GNUC__)
 #define WEAK            __attribute__ ((weak))