Correctly mask IE_ALLIE during sun4/4c/4e NMI; from NetBSD
Correctly mask IE_ALLIE during sun4/4c/4e NMI; from NetBSD

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