.gitignore: ignore any .vscode* file

.vscode-ctags are being tracked by git. Update .gitignore to
include any .vscode* file

Signed-off-by: Nicholas Smith <nicholas@nbembedded.com>

.gitignore

@@ -29,4 +29,4 @@ git-src
 .project
 .cproject
 .ccache
-.vscode
+.vscode*