When building without CONFIG_SYSFS, there is an error because of a
recent refactoring that failed to update the stub of
power_supply_init_attrs():

  drivers/power/supply/power_supply_core.c: In function 'power_supply_class_init':
  drivers/power/supply/power_supply_core.c:1630:9: error: too few arguments to function 'power_supply_init_attrs'
   1630 |         power_supply_init_attrs();
        |         ^~~~~~~~~~~~~~~~~~~~~~~
  In file included from drivers/power/supply/power_supply_core.c:25:
  drivers/power/supply/power_supply.h:25:20: note: declared here
     25 | static inline void power_supply_init_attrs(struct device_type *dev_type) {}
        |                    ^~~~~~~~~~~~~~~~~~~~~~~

Update the stub function to take no parameters like the rest of the
refactoring, which resolves the build error.

Fixes: 7b46b609 ("power: supply: core: constify the struct device_type usage")
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240227-fix-power_supply_init_attrs-stub-v1-1-43365e68d4b3@kernel.orgSigned-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>