STM32F4: Added the common platform.h as per suggestion

src/main/platform.h

@@ -17,6 +17,8 @@
 
 #pragma once
 
+#include "platform/common.h"
+
 #if defined(STM32F40_41xxx) || defined (STM32F411xE)
 #include "stm32f4xx_conf.h"
 #include "stm32f4xx_rcc.h"

src/main/platform/common.h

@@ -0,0 +1,46 @@
+/*
+ * This file is part of Cleanflight.
+ *
+ * Cleanflight is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Cleanflight is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Cleanflight.  If not, see <http://www.gnu.org/licenses/>.
+ */
+ 
+#pragma once
+
+#define USE_SERVOS
+#define USE_CLI
+#define SERIAL_RX
+#define BLACKBOX
+
+#if (FLASH_SIZE > 64)
+#define GPS
+#define GPS_PROTO_NMEA
+#define GPS_PROTO_UBLOX
+#define GPS_PROTO_I2C_NAV
+#define GPS_PROTO_NAZA
+
+#define TELEMETRY
+#define TELEMETRY_FRSKY
+#define TELEMETRY_HOTT
+#define TELEMETRY_SMARTPORT
+#define TELEMETRY_LTM
+#endif
+
+#if (FLASH_SIZE > 128)
+#define DISPLAY
+#define DISPLAY_ARMED_BITMAP
+#else
+#define SKIP_CLI_COMMAND_HELP
+#define SKIP_RX_MSP
+#define DISABLE_UNCOMMON_MIXERS
+#endif