base-modem: add missing 'reprobe' property setup

The sim hotswap logic likely just uses the getter/setter methods, but we should
anyway fix the property definition bits.

src/mm-base-modem.c

@@ -1538,4 +1538,12 @@ mm_base_modem_class_init (MMBaseModemClass *klass)
                              G_TYPE_DBUS_CONNECTION,
                              G_PARAM_READWRITE);
     g_object_class_install_property (object_class, PROP_CONNECTION, properties[PROP_CONNECTION]);
+
+    properties[PROP_REPROBE] =
+        g_param_spec_boolean (MM_BASE_MODEM_REPROBE,
+                              "Reprobe",
+                              "Whether the modem needs to be reprobed or not.",
+                              FALSE,
+                              G_PARAM_READWRITE);
+    g_object_class_install_property (object_class, PROP_REPROBE, properties[PROP_REPROBE]);
 }

src/mm-base-modem.h

@@ -61,6 +61,7 @@ typedef struct _MMBaseModemPrivate MMBaseModemPrivate;
 #define MM_BASE_MODEM_PLUGIN         "base-modem-plugin"
 #define MM_BASE_MODEM_VENDOR_ID      "base-modem-vendor-id"
 #define MM_BASE_MODEM_PRODUCT_ID     "base-modem-product-id"
+#define MM_BASE_MODEM_REPROBE        "base-modem-reprobe"
 
 struct _MMBaseModem {
     MmGdbusObjectSkeleton parent;