update systemverilog keywords
update systemverilog keywords

Yushiao/vscode-systemverilog-support,bjaminn/vscode-systemverilog-support,bjaminn/vscode-systemverilog-support,mshr-h/vscode-systemverilog-support,mshr-h/vscode-systemverilog-support,Yushiao/vscode-systemverilog-support