If IDE controller is not in IDE mode, we should not clear IO bar.

Signed-off-by: Li Elvin <elvin.li@intel.com>
Reviewed-by: Yao Jiewen <jiewen.yao@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13953 6f19259b-4bc3-4df7-8a09-765794883524

IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h

@@ -18,6 +18,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 
 #include <FrameworkDxe.h>
+#include <IndustryStandard\Pci.h>
 
 #include <Guid/SmBios.h>
 #include <Guid/Acpi.h>
@@ -134,6 +135,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 #define BDA_VIDEO_MODE      0x49
 
+#define IDE_PI_REGISTER_PNE     BIT0
+#define IDE_PI_REGISTER_SNE     BIT2
+
 typedef struct {
   UINTN   PciSegment;
   UINTN   PciBus;