hte: tegra194: Switch to LATE_SIMPLE_DEV_PM_OPS()

SET_LATE_SYSTEM_SLEEP_PM_OPS is deprecated, replace it with
LATE_SYSTEM_SLEEP_PM_OPS() and use pm_sleep_ptr() for setting
the driver's pm routines. We can now remove the __maybe_unused
qualifier in the suspend and resume functions.

Tested-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-by: Dipen Patel <dipenp@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20231010151709.4104747-5-andriy.shevchenko@linux.intel.com


Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Dipen Patel <dipenp@nvidia.com>