FMUv5: Increase logging throughput considerably.

This will help to understand the sensor selection on FMUv5 in different airframes. We do have the RAM and CPU to do this on this platform.

ROMFS/px4fmu_common/init.d/rcS

@@ -862,6 +862,14 @@ then
 			fi
 		else
 			set LOGGER_ARGS ""
+			#
+			# Adjust FMUv5 logging settings
+			#
+			if ver hwcmp PX4FMU_V5
+			then
+				set LOGGER_BUF 64
+				set SDLOG_MODE 3
+			fi
 			if param compare SDLOG_MODE 1
 			then
 				set LOGGER_ARGS "-e"