clang-tidy: Enable readability-redundant-string-cstr check

This check finds unnecessary calls to std::string::c_str() and
std::string::data().

Change-Id: I43e747b95eb042650668da7dd57a8d4b8463426a
Signed-off-by: Pavithra Barithaya <pavithrabarithaya07@gmail.com>
diff --git a/host_condition_gpio/host_condition_main.cpp b/host_condition_gpio/host_condition_main.cpp
index ad23a87..5caffe5 100644
--- a/host_condition_gpio/host_condition_main.cpp
+++ b/host_condition_gpio/host_condition_main.cpp
@@ -29,7 +29,7 @@
     sdbusplus::server::manager_t objManager(bus, objGroupName.c_str());
 
     // For now, we only support checking Host0 status
-    phosphor::condition::Host host(bus, objPathInst.c_str(), hostId);
+    phosphor::condition::Host host(bus, objPathInst, hostId);
 
     bus.request_name(busName.c_str());