MD-2017: enabled external flash

meson.build

@@ -377,8 +377,9 @@ md2017_src = src + stm32f405_src + ['platform/targets/MD-2017/platform.c',
                                     'platform/drivers/backlight/backlight_MDx.c',
                                     'platform/drivers/audio/audio_MDx.c',
                                     'platform/drivers/tones/toneGenerator_MDx.cpp',
+                                    'platform/drivers/NVM/W25Qx.c',
+                                    'platform/drivers/NVM/nvmem_settings_MDx.c',
                                     'platform/drivers/stubs/radio_stub.c',
-                                    'platform/drivers/stubs/nvmem_stub.c',
                                     'platform/drivers/stubs/cps_io_stub.c']
 
 md2017_src = md2017_src + openrtx_ui_default

platform/targets/MD-2017/hwconfig.h

@@ -98,10 +98,10 @@ extern "C" {
 #define BEEP_OUT  GPIOC,8   /* CTCSS tone    */
 
 /* External flash */
-// #define FLASH_CS  GPIOD,7
-// #define FLASH_CLK GPIOB,3
-// #define FLASH_SDO GPIOB,4
-// #define FLASH_SDI GPIOB,5
+#define FLASH_CS  GPIOD,7
+#define FLASH_CLK GPIOB,3
+#define FLASH_SDO GPIOB,4
+#define FLASH_SDI GPIOB,5
 
 /* Audio control */
 #define AUDIO_AMP_EN GPIOB,9