boards rename auav_x21 -> mro_x21

boards/mro/x21/init/rc.board_defaults

@@ -0,0 +1,13 @@
+#!/bin/sh
+#
+# mRo x21 specific board defaults
+#------------------------------------------------------------------------------
+
+
+if [ $AUTOCNF = yes ]
+then
+
+	# to minimize cpu usage on older boards limit inner loop to 400 Hz
+	param set IMU_GYRO_RATEMAX 400
+
+fi

boards/mro/x21/init/rc.board_mavlink

@@ -0,0 +1,7 @@
+#!/bin/sh
+#
+# mRo x21 specific board MAVLink startup script.
+#------------------------------------------------------------------------------
+
+# Start MAVLink on the USB port
+mavlink start -d /dev/ttyACM0

boards/mro/x21/init/rc.board_sensors

@@ -0,0 +1,24 @@
+#!/bin/sh
+#
+# mRo x21 specific board sensors init
+#------------------------------------------------------------------------------
+
+adc start
+
+# External I2C bus
+hmc5883 -C -T -X start
+lis3mdl -X start
+ist8310 -C start
+qmc5883 -X start
+
+# Internal SPI bus ICM-20608-G is rotated 90 deg yaw
+mpu6000 -R 2 -T 20608 start
+
+# Internal SPI bus ICM-20602-G is rotated 90 deg yaw
+mpu6000 -R 2 -T 20602 start
+
+# Internal SPI bus mpu9250 is rotated 90 deg yaw
+mpu9250 -R 2 start
+
+# Internal SPI
+ms5611 -s start