add ~riscv keyword
Created attachment 822883 [details] edbrowse usage on riscv
tatt test report: USE tests started on Sun Oct 9 06:16:39 -00 2022 FEATURES=' test' USE='' succeeded for =app-accessibility/edbrowse-3.8.2.1-r2 USE='' succeeded for =app-accessibility/edbrowse-3.8.2.1-r2
riscv done all arches done