flush writes to BGE_MI_COMM by doing a read straight after. helps avoid "APE lock request failed!" errors with HP 331T (5719) and 332T (5720) cards.
flush writes to BGE_MI_COMM by doing a read straight after. helps avoid
"APE lock request failed!" errors with HP 331T (5719) and 332T (5720)
cards.

found and fixed by masanobu saitoh

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