Update hwclock.md
Update hwclock.md
katekyan/tldr,deekim/tldr,katekyan/tldr,katekyan/tldr,Phizho/tldr,deekim/tldr,Phizho/tldr,UncommonPleb/tldr,slash3b/tldr,felixonmars/tldr,AgamAgarwal/tldr,zoisom/tldr,deekim/tldr,felixonmars/tldr,felixonmars/tldr,kuanyui/tldr,zoisom/tldr,cptdeka10/tldr,slash3b/tldr,AgamAgarwal/tldr,UncommonPleb/tldr,cptdeka10/tldr,kuanyui/tldr,slash3b/tldr,Phizho/tldr,UncommonPleb/tldr,zoisom/tldr,cptdeka10/tldr