[Keyboard] Add pi40 (#18207)

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

keyboards/1upkeyboards/pi40/mcuconf.h

@@ -0,0 +1,10 @@
+// Copyright 2022 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef RP_I2C_USE_I2C0
+#undef RP_I2C_USE_I2C1
+#define RP_I2C_USE_I2C0 TRUE
+#define RP_I2C_USE_I2C1 FALSE