x86: Add the root-complex block to common intel registers

This is similar to MCH in that it is used in various drivers. Add it to
the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/arch/x86/cpu/ivybridge/bd82x6x.c b/arch/x86/cpu/ivybridge/bd82x6x.c
index 9972b0a..55057e0 100644
--- a/arch/x86/cpu/ivybridge/bd82x6x.c
+++ b/arch/x86/cpu/ivybridge/bd82x6x.c
@@ -11,6 +11,7 @@
 #include <pch.h>
 #include <syscon.h>
 #include <asm/cpu.h>
+#include <asm/intel_regs.h>
 #include <asm/io.h>
 #include <asm/lapic.h>
 #include <asm/pci.h>
diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c
index 9ab5ed3..26ffaa0 100644
--- a/arch/x86/cpu/ivybridge/lpc.c
+++ b/arch/x86/cpu/ivybridge/lpc.c
@@ -13,6 +13,7 @@
 #include <rtc.h>
 #include <pci.h>
 #include <asm/acpi.h>
+#include <asm/intel_regs.h>
 #include <asm/interrupt.h>
 #include <asm/io.h>
 #include <asm/ioapic.h>
@@ -420,7 +421,7 @@
 static void enable_port80_on_lpc(struct udevice *pch)
 {
 	/* Enable port 80 POST on LPC */
-	dm_pci_write_config32(pch, PCH_RCBA_BASE, DEFAULT_RCBA | 1);
+	dm_pci_write_config32(pch, PCH_RCBA_BASE, RCB_BASE_ADDRESS | 1);
 	clrbits_le32(RCB_REG(GCS), 4);
 }
 
@@ -552,7 +553,8 @@
 {
 	/* Setting up Southbridge. In the northbridge code. */
 	debug("Setting up static southbridge registers\n");
-	dm_pci_write_config32(dev->parent, PCH_RCBA_BASE, DEFAULT_RCBA | 1);
+	dm_pci_write_config32(dev->parent, PCH_RCBA_BASE,
+			      RCB_BASE_ADDRESS | 1);
 	dm_pci_write_config32(dev->parent, PMBASE, DEFAULT_PMBASE | 1);
 
 	/* Enable ACPI BAR */