iio: adc: ti-adc128s052: Drop anti-pattern of ACPI_PTR() use

ACPI_PTR() is more harmful than helpful. For example, in this case
if CONFIG_ACPI=n, the ID table left unused and code is obfuscated
by ifdeffery.

Drop anti-pattern of ACPI_PTR() use.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230102173450.29882-3-andriy.shevchenko@linux.intel.com


Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>