close openOCD after jtag flash end (#1601)

Author: brianignacio5

src/flash/jtagCmd.ts

@@ -81,6 +81,9 @@ export async function jtagFlashCommand(workspace: Uri) {
     const msg = "⚡️ Flashed Successfully (JTAG)";
     OutputChannel.appendLineAndShow(msg, "Flash");
     Logger.infoNotify(msg);
+    const closingOpenOCDMsg = "Closing OpenOCD server connection...";
+    OutputChannel.appendLineAndShow(closingOpenOCDMsg, "Flash");
+    OpenOCDManager.init().stop();
   } catch (msg) {
     OpenOCDManager.init().showOutputChannel(true);
     OutputChannel.appendLine(msg, "Flash");