Yocto 2.4

Move OpenBMC to Yocto 2.4(rocko)

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I12057b18610d6fb0e6903c60213690301e9b0c67
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/import-layers/yocto-poky/meta/conf/machine/qemuppc.conf b/import-layers/yocto-poky/meta/conf/machine/qemuppc.conf
index a9ef64b..537b2f6 100644
--- a/import-layers/yocto-poky/meta/conf/machine/qemuppc.conf
+++ b/import-layers/yocto-poky/meta/conf/machine/qemuppc.conf
@@ -17,5 +17,5 @@
 QB_CPU = "-cpu G4"
 QB_KERNEL_CMDLINE_APPEND = "console=tty console=ttyS0"
 # Add the 'virtio-rng-pci' device otherwise the guest may run out of entropy
-QB_OPT_APPEND = "-show-cursor -usb -usbdevice tablet -device virtio-rng-pci"
+QB_OPT_APPEND = "-show-cursor -usb -device usb-tablet -device virtio-rng-pci"
 QB_TAP_OPT = "-netdev tap,id=net0,ifname=@TAP@,script=no,downscript=no"