[Keyboard] Add pi40 (#18207)

Co-authored-by: Joel Challis <git@zvecr.com>
Co-authored-by: Ryan <fauxpark@gmail.com>

keyboards/1upkeyboards/pi40/halconf.h

@@ -0,0 +1,7 @@
+// Copyright 2022 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#define HAL_USE_I2C TRUE
+
+#include_next <halconf.h>