remove meson.options

The only option in this repository is configuring the location
of the persistent file location.  This is not ever leveraged
by anyone.  Reduce the complexity of maintaining a meson.option
to hold a string and just move it to a constant in a header.

Change-Id: I066d88d2831d1d04fd53b47e26cd6fbcabf863d2
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
diff --git a/src/main.cpp b/src/main.cpp
index 6e2a963..8c2d78b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -14,6 +14,7 @@
 // limitations under the License.
 */
 
+#include "config.hpp"
 #include "manager.hpp"
 #include "password.hpp"
 
@@ -38,7 +39,7 @@
      * Object path : /xyz/openbmc_project/bios_config/manager
      * Interface : xyz.openbmc_project.BIOSConfig.Manager
      */
-    bios_config::Manager manager(objectServer, systemBus);
+    bios_config::Manager manager(objectServer, systemBus, BIOS_PERSIST_PATH);
 
     /**
      * Password class is responsible for handling methods and signals under