powerpc fixes for 5.8 #6

One fix for a crash/soft lockup on Power8, caused by the exception rework we did
 in v5.7.
 
 Thanks to:
   Paul Menzel, Nicholas Piggin.
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Merge tag 'powerpc-5.8-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

Pull powerpc fix from Michael Ellerman:
 "One fix for a crash/soft lockup on Power8, caused by the exception
  rework we did in v5.7.

  Thanks to Paul Menzel and Nicholas Piggin"

* tag 'powerpc-5.8-6' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
  powerpc/64s/exception: Fix 0x1500 interrupt handler crash

arch/powerpc/kernel/exceptions-64s.S

@@ -2551,7 +2551,7 @@ EXC_VIRT_NONE(0x5400, 0x100)
 INT_DEFINE_BEGIN(denorm_exception)
 	IVEC=0x1500
 	IHSRR=1
-	IBRANCH_COMMON=0
+	IBRANCH_TO_COMMON=0
 	IKVM_REAL=1
 INT_DEFINE_END(denorm_exception)