KVM: Export asm-generic/kvm_para.h

Prevents build failures on non-KVM archs.
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Avi Kivity <avi@redhat.com>

include/asm-generic/Kbuild

@@ -8,6 +8,7 @@ header-y += int-ll64.h
 header-y += ioctl.h
 header-y += ioctls.h
 header-y += ipcbuf.h
+header-y += kvm_para.h
 header-y += mman-common.h
 header-y += mman.h
 header-y += msgbuf.h