修改ch32v307软件spi的宏

bsp/wch/risc-v/Libraries/ch32_drivers/drv_soft_spi.c

@@ -11,7 +11,7 @@
 #include <board.h>
 #include "drv_soft_spi.h"
 
-#ifdef BSP_USING_SOFT_I2C
+#ifdef BSP_USING_SOFT_SPI
 
 #define LOG_TAG             "drv.soft_spi"
 #include <drv_log.h>
@@ -225,4 +225,4 @@ int rt_soft_spi_init(void)
 }
 INIT_BOARD_EXPORT(rt_soft_spi_init);
 
-#endif /* BSP_USING_SOFT_I2C */
+#endif /* BSP_USING_SOFT_SPI */