add gpio led uart

hc

2024-05-10 748e4f3d702def1a4bff191e0cf93b6a05340f01

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ARCH_HALTPOLL_H
#define _ARCH_HALTPOLL_H
 
void arch_haltpoll_enable(unsigned int cpu);
void arch_haltpoll_disable(unsigned int cpu);
 
#endif