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 <[e-mail]>
Reviewed-by: Andrew Morton <[e-mail]>
Acked-by: Joey Pabalinas <[e-mail]>
Cc: Petr Mladek <[e-mail]>
Cc: Sergey Senozhatsky <[e-mail]>
Cc: Steven Rostedt <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

include/linux/printk.h

···
 {
 }
 
-static inline asmlinkage void dump_stack(void)
+static inline void dump_stack(void)
 {
 }