fw_cfg: add etc/msr_feature_control

The file already existed, but nobody had noticed the warning until now.
Add it at the bottom, since that is where unknown files go in legacy mode.

Fixes: 217f1b4a721 ("target-i386: Publish advised value of MSR_IA32_FEATURE_CONTROL via fw_cfg")
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed