libpayload/storage/ahci: Use pci_dev struct in ahci_initialize()

Clean up ahci_initialize() by using pci_dev struct.

Change-Id: I2d5673c631d978d8ebd0c4a90962ab9cccaf40a2
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46427
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

payloads/libpayload/include/storage/ahci.h

@@ -26,9 +26,11 @@
  * SUCH DAMAGE.
  */
 
+#include <pci/pci.h>
+
 #ifndef _STORAGE_AHCI_H
 #define _STORAGE_AHCI_H
 
-void ahci_initialize(pcidev_t dev);
+void ahci_initialize(struct pci_dev *dev);
 
 #endif