KVM: PPC E500: Add register l1csr0 emulation

Latest kernel start to access l1csr0 to contron L1.
We just tell guest no operation is on going.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Acked-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/powerpc/include/asm/kvm_e500.h b/arch/powerpc/include/asm/kvm_e500.h
index 9d497ce..569dfd3 100644
--- a/arch/powerpc/include/asm/kvm_e500.h
+++ b/arch/powerpc/include/asm/kvm_e500.h
@@ -52,6 +52,7 @@
 	u32 mas5;
 	u32 mas6;
 	u32 mas7;
+	u32 l1csr0;
 	u32 l1csr1;
 	u32 hid0;
 	u32 hid1;