x86: fix RIP printout in early_idt_handler

Impact: fix debug/crash printout

Since errorcode is popped out, RIP is on the top of the stack.
Use real RIP value instead of wrong CS.
Signed-off-by: NJiri Slaby <jirislaby@gmail.com>
Cc: <stable@kernel.org>
Signed-off-by: NIngo Molnar <mingo@elte.hu>

arch/x86/kernel/head_64.S

@@ -305,7 +305,7 @@ ENTRY(early_idt_handler)
 	call dump_stack
 #ifdef CONFIG_KALLSYMS	
 	leaq early_idt_ripmsg(%rip),%rdi
-	movq 8(%rsp),%rsi	# get rip again
+	movq 0(%rsp),%rsi	# get rip again
 	call __print_symbol
 #endif
 #endif /* EARLY_PRINTK */