修改I2C0_BUS_CONFIG定义错误

修改drv_soft_i2c.h中I2C0_BUS_CONFIG定义错误问题。

bsp/gd32/arm/libraries/gd32_drivers/drv_soft_i2c.h

@@ -36,7 +36,7 @@ struct gd32_i2c
 };
 
 #ifdef BSP_USING_I2C0
-#define I2C4_BUS_CONFIG                                  \
+#define I2C0_BUS_CONFIG                                  \
     {                                                    \
         .scl = BSP_I2C0_SCL_PIN,                         \
         .sda = BSP_I2C0_SDA_PIN,                         \