regulator: core: Protect regulator_supply_alias_list with regulator_list_mutex

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SUSE CVE-2025-68354

In the Linux kernel, the following vulnerability has been resolved: regulator: core: Protect regulatorsupplyaliaslist with regulatorlistmutex regulatorsupplyaliaslist was accessed without any locking in regulatorsupplyalias, regulatorregistersupplyalias, and regulatorunregistersupplyalias...