KVM: PPC: Make DSISR 32 bits wide

DSISR is only defined as 32 bits wide. So let's reflect that in the
structs too.

Signed-off-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Avi Kivity <avi@redhat.com>
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 119deb4..0ebda67 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -260,7 +260,7 @@
 
 	u32 last_inst;
 #ifdef CONFIG_PPC64
-	ulong fault_dsisr;
+	u32 fault_dsisr;
 #endif
 	ulong fault_dear;
 	ulong fault_esr;