Yocto 2.3

Move OpenBMC to Yocto 2.3(pyro).

Tested: Built and verified Witherspoon and Palmetto images
Change-Id: I50744030e771f4850afc2a93a10d3507e76d36bc
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Resolves: openbmc/openbmc#2461
diff --git a/import-layers/yocto-poky/meta/conf/machine/qemuarm.conf b/import-layers/yocto-poky/meta/conf/machine/qemuarm.conf
index f9d6dd7..6b875e4 100644
--- a/import-layers/yocto-poky/meta/conf/machine/qemuarm.conf
+++ b/import-layers/yocto-poky/meta/conf/machine/qemuarm.conf
@@ -16,5 +16,5 @@
 QB_KERNEL_CMDLINE_APPEND = "console=ttyAMA0,115200 console=tty"
 # 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"
-PREFERRED_VERSION_linux-yocto ??= "4.8%"
+PREFERRED_VERSION_linux-yocto ??= "4.10%"
 QB_DTB = "${@base_version_less_or_equal('PREFERRED_VERSION_linux-yocto', '4.7', '', 'zImage-versatile-pb.dtb', d)}"