hal: fix various typos

Found via `codespell -q 3 -S *.po,*.pot,*.ts,./.git/logs,./share,./docs/man/es,./configs/attic,*_fr.*,*_es.*,README_es -L ans,ba,bulle,componentes,doubleclick,dout,dum,fo,halp,ihs,inout,parm,parms,ro,ser,te,ue,wille,wonte`