soc/amd/phoenix/xhci: Correct counting of xhci_sci_sources

Signed-off-by: Fred Reitberger <reitbergerfred@gmail.com>
Change-Id: Iabba97e003d1a5140c98e3fc5a3496f66f8795c2
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74528
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>

src/soc/amd/phoenix/xhci.c

@@ -49,7 +49,7 @@ enum cb_err pci_xhci_get_wake_gpe(const struct device *dev, int *gpe)
 
 static void configure_xhci_sci(void *unused)
 {
-	gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources) - 1);
+	gpe_configure_sci(xhci_sci_sources, ARRAY_SIZE(xhci_sci_sources));
 }
 
 BOOT_STATE_INIT_ENTRY(BS_POST_DEVICE, BS_ON_ENTRY, configure_xhci_sci, NULL);