raspberrypi-cm3.conf: Inherit raspberrypi3 not raspberrypi2
The CM3 module is based Raspberry Pi 3 not 2.
#@NAME: RaspberryPi Compute Module 3 (CM3)
#@DESCRIPTION: Machine configuration for the RaspberryPi Compute Module 3 (CM3)
-MACHINEOVERRIDES = "raspberrypi2:${MACHINE}"
-include conf/machine/raspberrypi2.conf
+MACHINEOVERRIDES = "raspberrypi3:${MACHINE}"
+include conf/machine/raspberrypi3.conf
