ARM: 9060/1: kexec: Remove unused kexec_reinit callback

The last (only?) user of this was removed in commit ba364fc7 ("ARM:
Kirkwood: Remove mach-kirkwood"), back in v3.17.

Link: https://lore.kernel.org/r/20210210235243.398810-1-joel@jms.id.auSigned-off-by: NJoel Stanley <joel@jms.id.au>
Reviewed-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NRussell King <rmk+kernel@armlinux.org.uk>

arch/arm/include/asm/kexec.h

@@ -56,9 +56,6 @@ static inline void crash_setup_regs(struct pt_regs *newregs,
 	}
 }
 
-/* Function pointer to optional machine-specific reinitialization */
-extern void (*kexec_reinit)(void);
-
 static inline unsigned long phys_to_boot_phys(phys_addr_t phys)
 {
 	return phys_to_idmap(phys);

arch/arm/kernel/machine_kexec.c

@@ -147,11 +147,6 @@ void machine_crash_shutdown(struct pt_regs *regs)
 	pr_info("Loading crashdump kernel...\n");
 }
 
-/*
- * Function pointer to optional machine-specific reinitialization
- */
-void (*kexec_reinit)(void);
-
 void machine_kexec(struct kimage *image)
 {
 	unsigned long page_list, reboot_entry_phys;
@@ -187,9 +182,6 @@ void machine_kexec(struct kimage *image)
 
 	pr_info("Bye!\n");
 
-	if (kexec_reinit)
-		kexec_reinit();
-
 	soft_restart(reboot_entry_phys);
 }