pmdomain: apple: Make apple_pmgr_reset_ops static

The sparse tool complains as follows:

drivers/pmdomain/apple/pmgr-pwrstate.c:180:32: warning:
	symbol 'apple_pmgr_reset_ops' was not declared. Should it be static:

This symbol is not used outside of pmgr-pwrstate.c, so marks it static.
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Link: https://lore.kernel.org/r/20240819115956.3884847-1-ruanjinjie@huawei.comSigned-off-by: Ulf Hansson <ulf.hansson@linaro.org>

drivers/pmdomain/apple/pmgr-pwrstate.c

@@ -177,7 +177,7 @@ static int apple_pmgr_reset_status(struct reset_controller_dev *rcdev, unsigned
 	return !!(reg & APPLE_PMGR_RESET);
 }
 
-const struct reset_control_ops apple_pmgr_reset_ops = {
+static const struct reset_control_ops apple_pmgr_reset_ops = {
 	.assert		= apple_pmgr_reset_assert,
 	.deassert	= apple_pmgr_reset_deassert,
 	.reset		= apple_pmgr_reset_reset,