retroarch: bluetooth: add pairable on to pairing steps

Author: ToKe79

packages/lakka/retroarch_base/retroarch/patches/retroarch-bluetooth_pairing_steps_fix.patch

@@ -0,0 +1,27 @@
+diff --git a/bluetooth/drivers/bluetoothctl.c b/bluetooth/drivers/bluetoothctl.c
+index f3205c8ee9..31f5a24447 100644
+--- a/bluetooth/drivers/bluetoothctl.c
++++ b/bluetooth/drivers/bluetoothctl.c
+@@ -170,8 +170,7 @@ static bool bluetoothctl_connect_device(void *data, unsigned idx)
+    string_list_free(list);
+ 
+    snprintf(btctl->command, sizeof(btctl->command), "\
+-         bluetoothctl -- trust %s",
+-         device);
++         bluetoothctl -- pairable on");
+ 
+    pclose(popen(btctl->command, "r"));
+ 
+@@ -181,6 +180,12 @@ static bool bluetoothctl_connect_device(void *data, unsigned idx)
+ 
+    pclose(popen(btctl->command, "r"));
+ 
++   snprintf(btctl->command, sizeof(btctl->command), "\
++         bluetoothctl -- trust %s",
++         device);
++
++   pclose(popen(btctl->command, "r"));
++
+    snprintf(btctl->command, sizeof(btctl->command), "\
+          bluetoothctl -- connect %s",
+          device);