buildsystem: Promote rules.h to default include

Does not fix 3rdparty/, *.S or *.ld or yet.

Change-Id: I66b48013dd89540b35ab219d2b64bc13f5f19cda
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/17656
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

src/include/device/device.h

@@ -11,7 +11,6 @@
 
 #include <stdint.h>
 #include <stddef.h>
-#include <rules.h>
 #include <device/resource.h>
 #include <device/path.h>
 #include <device/pci_type.h>

src/include/device/pci.h

@@ -19,7 +19,6 @@
 
 #include <stdint.h>
 #include <stddef.h>
-#include <rules.h>
 #include <arch/io.h>
 #include <device/pci_def.h>
 #include <device/resource.h>

src/include/device/pnp.h

@@ -2,7 +2,6 @@
 #define DEVICE_PNP_H
 
 #include <stdint.h>
-#include <rules.h>
 #include <device/device.h>
 #include <device/pnp_def.h>
 #include <arch/io.h>