[bsp][stm32][f103-dofly-m3s]Add support for nRF24L01 extension module

Signed-off-by: NWillian Chan <chentingwei@rt-thread.com>

bsp/stm32/stm32f103-dofly-M3S/applications/nrf24l01_init.c

+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author        Notes
+ * 2019-06-29     WillianChan   first version
+ */
+
+#include <rtthread.h>
+
+#ifdef PKG_USING_NRF24L01
+
+#include "drv_spi.h"
+static int rt_hw_nrf24l01_init(void)
+{
+    rt_hw_spi_device_attach("spi2", "spi20", GPIOG, GPIO_PIN_7);
+    return RT_EOK;
+}
+INIT_COMPONENT_EXPORT(rt_hw_nrf24l01_init);
+
+#endif

bsp/stm32/stm32f103-dofly-M3S/board/Kconfig

@@ -130,6 +130,13 @@ endmenu
 
 menu "Board extended module Drivers"
 
+    config BSP_USING_NRF24L01
+        bool "Enable NRF24L01"
+        select BSP_USING_SPI
+        select BSP_USING_SPI2
+        select PKG_USING_NRF24L01
+        default n
+
 endmenu
 
 endmenu