hw: move ISA bridges and devices to hw/isa/, configure with default-configs/

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index 9d852ff..717c8f4 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -35,3 +35,4 @@
 CONFIG_PC_SYSFW=y
 CONFIG_XEN_I386=$(CONFIG_XEN)
 CONFIG_ISA_DEBUG=y
+CONFIG_LPC_ICH9=y