Free ucode if an error happens while FW / IV load.  Always return a proper code in case of error.
Free ucode if an error happens while FW / IV load.  Always return a proper
code in case of error.

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars