fix mmseg installation bug in hkust/v1/local/hkust_data_prep.sh
fix mmseg installation bug in hkust/v1/local/hkust_data_prep.sh

songmeixu/eesen,tzyll/eesen,yajiemiao/eesen,tzyll/eesen,yajiemiao/eesen,tzyll/eesen,srvk/eesen,srvk/eesen,eesentk/eesen,songmeixu/eesen,songmeixu/eesen,eesentk/eesen,srvk/eesen,yajiemiao/eesen,eesentk/eesen,songmeixu/eesen,eesentk/eesen,srvk/eesen,yajiemiao/eesen,tzyll/eesen,yajiemiao/eesen,srvk/eesen,songmeixu/eesen,tzyll/eesen,eesentk/eesen