Fixup ChibiOS header inclusion search ordering. (#19623)

* Add STM32F446-Nucleo onekey. 

* Fixup onekey build for F446, all keymaps.

* Fixup board inclusion search ordering.

keyboards/handwired/onekey/nucleo_f446re/halconf.h

@@ -0,0 +1,10 @@
+// Copyright 2023 Nick Brassel (@tzarc)
+// SPDX-License-Identifier: GPL-2.0-or-later
+#pragma once
+
+#define HAL_USE_ADC TRUE
+#define HAL_USE_SPI TRUE
+#define HAL_USE_I2C TRUE
+#define HAL_USE_PWM TRUE
+
+#include_next <halconf.h>