KVM: PPC: Make Alignment interrupts work again

In the process of merging Book3S_32 and 64 I somehow ended up having the
alignment interrupt handler take last_inst, but the fetching code not
fetching it. So we ended up with stale last_inst values.

Let's just enable last_inst fetching for alignment interrupts too.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/powerpc/kvm/book3s_segment.S b/arch/powerpc/kvm/book3s_segment.S
index 4c0d1d8..7c52ed0 100644
--- a/arch/powerpc/kvm/book3s_segment.S
+++ b/arch/powerpc/kvm/book3s_segment.S
@@ -196,6 +196,8 @@
 	beq	ld_last_inst
 	cmpwi	r12, BOOK3S_INTERRUPT_PROGRAM
 	beq	ld_last_inst
+	cmpwi	r12, BOOK3S_INTERRUPT_ALIGNMENT
+	beq-	ld_last_inst
 
 	b	no_ld_last_inst