Tweak configs for CF2

Fix build error

Capitalization mistake for headers

Non-Mac compiler issue

Baudrate for crazyflie nrf and fix code style

Save space

Cleanup mpu9250 driver

src/modules/mavlink/mavlink_main.cpp

@@ -642,6 +642,10 @@ int Mavlink::mavlink_open_uart(int baud, const char *uart_name)
 #define B921600 921600
 #endif
 
+#ifndef B1000000
+	#define B1000000 1000000
+#endif
+
 	/* process baud rate */
 	int speed;
 
@@ -2630,6 +2634,3 @@ int mavlink_main(int argc, char *argv[])
 
 	return 0;
 }
-
-
-