soc/intel: Replace config_of_path() with config_of_soc()

The previously provided device path made no difference, all
integrated PCI devices point back to the same chip_info
structure.

Change reduces the exposure of various SA_DEVFN_xx and
PCH_DEVFN_xx from (ugly) soc/pci_devs.h.

Change-Id: Ibf13645fdd3ef7fd3d5c8217bb24d7ede045c790
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35656
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
diff --git a/src/soc/intel/apollolake/acpi.c b/src/soc/intel/apollolake/acpi.c
index f729f31..7163884 100644
--- a/src/soc/intel/apollolake/acpi.c
+++ b/src/soc/intel/apollolake/acpi.c
@@ -90,7 +90,7 @@
 void acpi_create_gnvs(struct global_nvs_t *gnvs)
 {
 	struct soc_intel_apollolake_config *cfg;
-	cfg = config_of_path(SA_DEVFN_ROOT);
+	cfg = config_of_soc();
 
 	/* Clear out GNVS. */
 	memset(gnvs, 0, sizeof(*gnvs));
@@ -152,7 +152,7 @@
 void soc_fill_fadt(acpi_fadt_t *fadt)
 {
 	const struct soc_intel_apollolake_config *cfg;
-	cfg = config_of_path(SA_DEVFN_ROOT);
+	cfg = config_of_soc();
 
 	fadt->pm_tmr_blk = ACPI_BASE_ADDRESS + PM1_TMR;