The rate_control module has been replaced by rc80211_simple. Ebuild patch follows.
Created attachment 98756 [details, diff] rt2x00-9999.ebuild-rc80211_simple.patch against portage ebuild Patch again /usr/portage/net-wireless/rt2x00-9999.ebuild to remove rate_control and add rc80211_simple.
Fixed - thanks for patch :)
*** Bug 150203 has been marked as a duplicate of this bug. ***