x86: bayleybay: Configure PCI IRQ

Add PCI IRQ routing information in the board device tree and enable
writing PIRQ routing table and MP table.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/include/configs/bayleybay.h b/include/configs/bayleybay.h
index cc95aec..740166a 100644
--- a/include/configs/bayleybay.h
+++ b/include/configs/bayleybay.h
@@ -14,6 +14,7 @@
 #include <configs/x86-common.h>
 
 #define CONFIG_SYS_MONITOR_LEN		(1 << 20)
+#define CONFIG_ARCH_MISC_INIT
 
 #define CONFIG_X86_SERIAL