KVM: PPC: BOOKE : Emulate rfdi instruction

This patch adds "rfdi" instruction emulation which is required for
guest debug hander on BOOKE-HV

Signed-off-by: Bharat Bhushan <Bharat.Bhushan@freescale.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 6040008..8a8da0a 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -139,6 +139,7 @@
 	EMULATED_TLBWE_EXITS,
 	EMULATED_RFI_EXITS,
 	EMULATED_RFCI_EXITS,
+	EMULATED_RFDI_EXITS,
 	DEC_EXITS,
 	EXT_INTR_EXITS,
 	HALT_WAKEUP,