hal: add redefine check for BIT macro

Zephyr have BIT macro defined in sys/util_macro.h, add a redefine check
for gd32 BIT MACRO.

Signed-off-by: HaiLong Yang <[email protected]>

Author: cameled

GD32E10X/CMSIS/GD/GD32E10X/Include/gd32e10x.h

@@ -193,7 +193,9 @@ typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrStatus;
 #define REG32(addr)                  (*(volatile uint32_t *)(uint32_t)(addr))
 #define REG16(addr)                  (*(volatile uint16_t *)(uint32_t)(addr))
 #define REG8(addr)                   (*(volatile uint8_t *)(uint32_t)(addr))
+#ifndef BIT
 #define BIT(x)                       ((uint32_t)((uint32_t)0x01U<<(x)))
+#endif
 #define BITS(start, end)             ((0xFFFFFFFFUL << (start)) & (0xFFFFFFFFUL >> (31U - (uint32_t)(end)))) 
 #define GET_BITS(regval, start, end) (((regval) & BITS((start),(end))) >> (start))
 

GD32F4XX/CMSIS/GD/GD32F4XX/Include/gd32f4xx.h

@@ -292,7 +292,9 @@ typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrStatus;
 #define REG32(addr)                  (*(volatile uint32_t *)(uint32_t)(addr))
 #define REG16(addr)                  (*(volatile uint16_t *)(uint32_t)(addr))
 #define REG8(addr)                   (*(volatile uint8_t *)(uint32_t)(addr))
+#ifndef BIT
 #define BIT(x)                       ((uint32_t)((uint32_t)0x01U<<(x)))
+#endif
 #define BITS(start, end)             ((0xFFFFFFFFUL << (start)) & (0xFFFFFFFFUL >> (31U - (uint32_t)(end)))) 
 #define GET_BITS(regval, start, end) (((regval) & BITS((start),(end))) >> (start))