qemuarmv5: Drop QB_DTB conditional for older kernels

The conditional for the DTB nomenclature hasnt changed
and the 4.7 kernel is old enough at this point, hence
this check has become unnecessary'

(From OE-Core rev: f5dee6290ca750519455e311e429951b8eb7301b)

Signed-off-by: Alejandro Enedino Hernandez Samaniego <alejandro@enedino.org>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/conf/machine/qemuarmv5.conf

@@ -14,6 +14,6 @@ QB_SYSTEM_NAME = "qemu-system-arm"
 QB_MACHINE = "-machine versatilepb"
 QB_GRAPHICS = "-device virtio-gpu-pci"
 QB_OPT_APPEND = "-device qemu-xhci -device usb-tablet -device usb-kbd"
-QB_DTB = "${@oe.utils.version_less_or_equal('PREFERRED_VERSION_linux-yocto', '4.7', '', 'zImage-versatile-pb.dtb', d)}"
+QB_DTB ?= "zImage-versatile-pb.dtb"
 
 KMACHINE:qemuarmv5 = "arm-versatile-926ejs"