AGESA boards: Clean up some includes

Change-Id: I84c70aa04ab556a3898d3525f7b9aab85812f61d
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21475
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/mainboard/hp/abm/mainboard.c b/src/mainboard/hp/abm/mainboard.c
index 4af8678..742c28d 100644
--- a/src/mainboard/hp/abm/mainboard.c
+++ b/src/mainboard/hp/abm/mainboard.c
@@ -16,11 +16,7 @@
 
 #include <console/console.h>
 #include <device/device.h>
-#include <device/pci.h>
-#include <arch/io.h>
-#include <arch/acpi.h>
-#include <northbridge/amd/agesa/BiosCallOuts.h>
-#include <northbridge/amd/agesa/state_machine.h>
+
 #include <southbridge/amd/common/amd_pci_util.h>
 #include <southbridge/amd/agesa/hudson/pci_devs.h>
 #include <northbridge/amd/agesa/family16kb/pci_devs.h>