feat(nimble): Add support for static passkey

components/bt/host/nimble/Kconfig.in

@@ -1250,7 +1250,12 @@ menu "Extra Features"
         help
             Enable connection subrate change feature
 
-
+    config BT_NIMBLE_STATIC_PASSKEY
+        bool "Enable support for Static Passkey"
+        default n
+        depends on BT_NIMBLE_ENABLED && BT_NIMBLE_SECURITY_ENABLE
+        help
+            Enable support for user defined static passkey for SMP
 endmenu
 
 menu "NimBLE Mesh"

components/bt/host/nimble/port/include/esp_nimble_cfg.h

@@ -2230,4 +2230,12 @@
 #endif
 #endif
 
+#ifndef MYNEWT_VAL_STATIC_PASSKEY
+#ifdef CONFIG_BT_NIMBLE_STATIC_PASSKEY
+#define MYNEWT_VAL_STATIC_PASSKEY  CONFIG_BT_NIMBLE_STATIC_PASSKEY
+#else
+#define CONFIG_BT_NIMBLE_STATIC_PASSKEY (0)
+#endif
+#endif
+
 #endif