When CONFIG_INPUT is disabled, this driver now fails to link:

ld.lld: error: undefined symbol: devm_input_allocate_device
>>> referenced by system76_acpi.c
>>>               platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a

ld.lld: error: undefined symbol: input_set_capability
>>> referenced by system76_acpi.c
>>>               platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a

ld.lld: error: undefined symbol: devm_hwmon_device_register_with_info
>>> referenced by system76_acpi.c
>>>               platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a

ld.lld: error: undefined symbol: battery_hook_unregister
>>> referenced by system76_acpi.c
>>>               platform/x86/system76_acpi.o:(system76_remove) in archive drivers/built-in.a

Add Kconfig dependencies for each of these three.

Fixes: 0de30fc6 ("platform/x86: system76_acpi: Replace Fn+F2 function for OLED models")
Fixes: 95563d45 ("platform/x86: system76_acpi: Report temperature and fan speed")
Fixes: 76f7eba3 ("platform/x86: system76_acpi: Add battery charging thresholds")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20211022154901.904984-1-arnd@kernel.orgReviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>