ARM: kexec: make machine_crash_nonpanic_core() static

This symbol is not used outside of the file, so mark it static.

Fixes the following warning:

arch/arm/kernel/machine_kexec.c:76:6: warning: symbol 'machine_crash_nonpanic_core' was not declared. Should it be static?

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Chen Lifu <[email protected]>
Signed-off-by: Baoquan He <[email protected]>
Acked-by: Baoquan He <[email protected]>
Cc: "Eric W . Biederman" <[email protected]>
Cc: Petr Mladek <[email protected]>
Cc: Russell King <[email protected]>
Cc: Benjamin Herrenschmidt <[email protected]>
Cc: Jianglei Nie <[email protected]>
Cc: Li Chen <[email protected]>
Cc: Michael Ellerman <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: ye xingchen <[email protected]>
Cc: Zeal Robot <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

arch/arm/kernel/machine_kexec.c

@@ -73,7 +73,7 @@ void machine_kexec_cleanup(struct kimage *image)
 {
 }
 
-void machine_crash_nonpanic_core(void *unused)
+static void machine_crash_nonpanic_core(void *unused)
 {
 	struct pt_regs regs;