Device migrations, driver migrations and more (#575)

Devices/m5stack-tab5/Source/devices/tab5_power_control.h

@@ -0,0 +1,19 @@
+#pragma once
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <tactility/device.h>
+
+// Board-specific charge-control/quick-charge/power-off glue for the IP2326 charger IC, driven
+// through io_expander1 (PI4IOE5V6408 at 0x44) - separate from ina226's power-supply device
+// (battery voltage/capacity, on the same board's INA226). Both are POWER_SUPPLY_TYPE kernel
+// devices; consumers (Power.cpp, Statusbar.cpp, PowerOff.cpp) already enumerate every
+// POWER_SUPPLY_TYPE device generically, so having two devices split by concern is the intended
+// pattern rather than a gap - see module.cpp's create_tab5_power_control().
+extern struct Driver tab5_power_control_driver;
+
+#ifdef __cplusplus
+}
+#endif