create board specific init script and use with fmu-v5

boards/px4/fmu-v5/init/rc.board

@@ -0,0 +1,52 @@
+#!nsh
+#
+# PX4 FMUv5 specific board init
+#
+#------------------------------------------------------------------------------
+#
+# UART mapping on FMUv5:
+#
+# UART1         /dev/ttyS0      GPS
+# USART2        /dev/ttyS1      TELEM1 (flow control)
+# USART3        /dev/ttyS2      TELEM2 (flow control)
+# UART4         /dev/ttyS3      TELEM4
+# USART6        /dev/ttyS4      TELEM3 (flow control)
+# UART7         /dev/ttyS5
+# UART8         /dev/ttyS6      CONSOLE
+#
+#------------------------------------------------------------------------------
+#
+
+if [ $AUTOCNF = yes ]
+then
+	param set SYS_FMU_TASK 1
+fi
+
+set LOGGER_BUF 64
+
+# Internal SPI bus ICM-20602
+mpu6000 -R 8 -s -T 20602 start
+
+# Internal SPI bus ICM-20689
+mpu6000 -R 8 -z -T 20689 start
+
+# Internal SPI bus BMI055 accel
+bmi055 -A -R 10 start
+
+# Internal SPI bus BMI055 gyro
+bmi055 -G -R 10 start
+
+# Possible external compasses
+hmc5883 -C -T -X start
+
+# Possible external compasses
+ist8310 -C -b 1 start
+ist8310 -C -b 2 start
+
+# Possible internal compass
+ist8310 -C -b 5 start
+
+# Possible pmw3901 optical flow sensor
+pmw3901 start
+
+px4flow start &