soc/amd/stoneyridge: Use macros for PCI_DEVFN calls

* Change all calls to PCI_DEVFN to macros
 * Remove CBB and CDB Kconfig since these are static for stoneyridge

BUG=b:62200746
TEST=build

Change-Id: I001c4ccd0ad7cf2047870b3618e13642144ddf56
Signed-off-by: Chris Ching <chingcodes@google.com>
Reviewed-on: https://review.coreboot.org/22110
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin Roth <martinroth@google.com>

src/soc/amd/stoneyridge/acpi.c

@@ -29,6 +29,7 @@
 #include <device/device.h>
 #include <device/pci.h>
 #include <soc/acpi.h>
+#include <soc/pci_devs.h>
 #include <soc/southbridge.h>
 #include <soc/nvs.h>
 
@@ -239,7 +240,7 @@ void generate_cpu_entries(device_t device)
 	device_t cdb_dev;
 
 	/* Stoney Ridge is single node, just report # of cores */
-	cdb_dev = dev_find_slot(CONFIG_CBB, PCI_DEVFN(CONFIG_CDB, 5));
+	cdb_dev = dev_find_slot(0, NB_DEVFN);
 	cores = (pci_read_config32(cdb_dev, 0x84) & 0xff) + 1;
 
 	printk(BIOS_DEBUG, "ACPI \\_PR report %d core(s)\n", cores);