move bitcraze_crazyflie init to rc.board

ROMFS/px4fmu_common/init.d/rc.sensors

@@ -31,20 +31,6 @@ then
 	adc start
 fi
 
-if ver hwcmp BITCRAZE_CRAZYFLIE
-then
-	# Onboard I2C
-	mpu9250 -R 12 start
-
-	# I2C bypass of mpu
-	lps25h start
-
-	# Optical flow deck
-	vl53lxx start
-	pmw3901 start
-
-fi
-
 if ver hwcmp ATMEL_SAME70XPLAINED_V1
 then
 	# External I2C bus

ROMFS/px4fmu_common/init.d/rcS

@@ -225,15 +225,6 @@ else
 		sh $BOARD_RC
 	fi
 
-	if ver hwcmp BITCRAZE_CRAZYFLIE
-	then
-		if param compare SYS_AUTOSTART 0
-		then
-			param set SYS_AUTOSTART 4900
-			set AUTOCNF yes
-		fi
-	fi
-
 	###############################################################################
 	#                 End Setup for board specific configurations.                #
 	###############################################################################

boards/bitcraze/crazyflie/init/rc.board

@@ -0,0 +1,29 @@
+#!nsh
+#
+# Bitcraze Crazyflie specific board init
+#
+#------------------------------------------------------------------------------
+#
+
+if param compare SYS_AUTOSTART 0
+then
+	param set SYS_AUTOSTART 4900
+	set AUTOCNF yes
+fi
+
+if [ $AUTOCNF = yes ]
+then
+
+fi
+
+set MIXER_AUX none
+
+# Onboard I2C
+mpu9250 -R 12 start
+
+# I2C bypass of mpu
+lps25h start
+
+# Optical flow deck
+vl53lxx start
+pmw3901 start