Process: Change signature of waitForXxx() functions

Change the arg to QDeadlineTimer type.

Change-Id: Id3dee0717e44130c16baf7925e5b06346a1a1ad1
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/plugins/debugger/lldb/lldbengine.cpp

@@ -213,7 +213,7 @@ void LldbEngine::setupEngine()
 
 void LldbEngine::handleLldbStarted()
 {
-    m_lldbProc.waitForReadyRead(1000);
+    m_lldbProc.waitForReadyRead(std::chrono::seconds(1));
 
     showStatusMessage(Tr::tr("Setting up inferior..."));