K 10 svn:author V 4 avos K 8 svn:date V 27 2017-08-28T22:14:16.290544Z K 7 svn:log V 204 rtwn(4): some initial preparations for (basic) VHT support. Rename RTWN_RIDX_MCS to RTWN_RIDX_HT_MCS before adding 802.11ac MCS rate indexes (they have different offset). No functional change intended. END