arm64: Add 32-bit sigcontext definition to uapi signcontext.h

#ifndef _UAPI__ASM_SIGCONTEXT_H

#define _UAPI__ASM_SIGCONTEXT_H

#ifdef CONFIG_64BIT

#include <linux/types.h>

/*

	__u32 __reserved[3];

};

#else /* CONFIG_64BIT */

/*

 * Signal context structure - contains all info to do with the state

 * before the signal handler was invoked.  Note: only add new entries

 * to the end of the structure.

 */

struct sigcontext {

	unsigned long trap_no;

	unsigned long error_code;

	unsigned long oldmask;

	unsigned long arm_r0;

	unsigned long arm_r1;

	unsigned long arm_r2;

	unsigned long arm_r3;

	unsigned long arm_r4;

	unsigned long arm_r5;

	unsigned long arm_r6;

	unsigned long arm_r7;

	unsigned long arm_r8;

	unsigned long arm_r9;

	unsigned long arm_r10;

	unsigned long arm_fp;

	unsigned long arm_ip;

	unsigned long arm_sp;

	unsigned long arm_lr;

	unsigned long arm_pc;

	unsigned long arm_cpsr;

	unsigned long fault_address;

};

#endif /* CONFIG_64BIT */

#endif /* _UAPI__ASM_SIGCONTEXT_H */