x86_32: fix %cx -> %ecx mismatch on testl

To get rid of:

arch/x86/kernel/entry_32.S: Assembler messages:
arch/x86/kernel/entry_32.S:600: Warning: using `%ecx' instead of `%cx' due to `l' suffix

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
diff --git a/x86-preempt-lazy.patch b/x86-preempt-lazy.patch
index c1d40ca..3bba561 100644
--- a/x86-preempt-lazy.patch
+++ b/x86-preempt-lazy.patch
@@ -108,7 +108,7 @@
  	RING0_PTREGS_FRAME		# can't unwind into user space anyway
  work_pending:
 -	testb $_TIF_NEED_RESCHED, %cl
-+	testl $_TIF_NEED_RESCHED_MASK, %cx
++	testl $_TIF_NEED_RESCHED_MASK, %ecx
  	jz work_notifysig
  work_resched:
  	call schedule