hw: move more files to hw/xen/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index 48ed8d4..89aaff5 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -33,3 +33,4 @@
 CONFIG_MC146818RTC=y
 CONFIG_WDT_IB700=y
 CONFIG_PC_SYSFW=y
+CONFIG_XEN_I386=$(CONFIG_XEN)