Support make qemu, etc with a Linux kernel and our initramfs
Support make qemu, etc with a Linux kernel and our initramfs

With HW=linuxmtrace, this makes it easy to reuse all of our existing
mtrace infrastructure.  The caller just has to provide the bzImage of
a Linux kernel in the KERN variable.

aclements/sv6,bowlofstew/sv6,aclements/sv6,aclements/sv6,bowlofstew/sv6,aclements/sv6,bowlofstew/sv6,aclements/sv6,bowlofstew/sv6,bowlofstew/sv6