Correct usage of bus_dma which makes re(4) work on alpha.
Correct usage of bus_dma which makes re(4) work on alpha.

From NetBSD rtl8169.c -r 1.11

ok pvalchev@

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