Yocto 2.5

Move OpenBMC to Yocto 2.5(sumo)

Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Change-Id: I5c5ad6904a16e14c1c397f0baf10c9d465594a78
diff --git a/import-layers/yocto-poky/meta/conf/machine/qemuarm.conf b/import-layers/yocto-poky/meta/conf/machine/qemuarm.conf
index c8932dd..9403b1e 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 -device usb-tablet -device virtio-rng-pci"
-PREFERRED_VERSION_linux-yocto ??= "4.12%"
-QB_DTB = "${@base_version_less_or_equal('PREFERRED_VERSION_linux-yocto', '4.7', '', 'zImage-versatile-pb.dtb', d)}"
+PREFERRED_VERSION_linux-yocto ??= "4.15%"
+QB_DTB = "${@oe.utils.version_less_or_equal('PREFERRED_VERSION_linux-yocto', '4.7', '', 'zImage-versatile-pb.dtb', d)}"