include/linux/printk.h: drop silly "static inline asmlinkage" from dump_stack()

include/linux/printk.h: drop silly "static inline asmlinkage" from dump_stack()

Empty function will be inlined so asmlinkage doesn't do anything.

Link: http://lkml.kernel.org/r/20181124093530.GE10969@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Joey Pabalinas <joeypabalinas@gmail.com>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>