It's often desirable to omit kernel.bin from the install. Add a knob so
that WITH_KERNEL_BIN or WITHOUT_KERNEL_BIN controll its generation and
installation. config files should add 'makeoptions WITH_KERNEL_BIN'. It=t' to
is on by default,enable it. but in the future may be off by default.Since its use is specialized, it is off by defaultIt only
affects arm and arm64 (since those are the only two that support it).
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