On the Huawei Matebook E Go tablet the EC provides access to the adapter
and battery status. Add the driver to read power supply status on the
tablet.
This driver is inspired by the following drivers:
drivers/power/supply/lenovo_yoga_c630_battery.c
drivers/platform/arm64/acer-aspire1-ec.c
drivers/acpi/battery.c
drivers/acpi/ac.c
base-commit: 613af589b566093ce7388bf3202fca70d742c166
Signed-off-by: Pengyu Luo <mitltlatltl@gmail.com>
Link: https://lore.kernel.org/r/20250313103437.108772-1-mitltlatltl@gmail.com
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
