i386: Fix compilation of verify_cpu.S on old binutils

Signed-off-by: NAndi Kleen <ak@suse.de>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>

arch/i386/kernel/verify_cpu.S

@@ -10,7 +10,9 @@ verify_cpu:
 
 #if CONFIG_X86_MINIMUM_CPU_MODEL >= 4
 	pushfl
-	orl	$(1<<18),(%esp)		# try setting AC
+	pop	%eax
+	orl	$(1<<18),%eax		# try setting AC
+	push	%eax
 	popfl
 	pushfl
 	popl    %eax