pwm: pca9685: Drop ACPI_PTR() and of_match_ptr()

Drop rather useless use of ACPI_PTR() and of_match_ptr().
It also removes the necessity to be dependent acpi.h inclusion.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20250214154031.3395014-1-andriy.shevchenko@linux.intel.com


Signed-off-by: Uwe Kleine-König <ukleinek@kernel.org>