src: use ARRAY_SIZE where possible

Generated with a variant of
https://coccinelle.gitlabpages.inria.fr/website/rules/array.cocci

Change-Id: I083704fd48faeb6c67bba3367fbcfe554a9f7c66
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50594
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PcieInit.c b/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PcieInit.c
index b83afea..318bb82 100644
--- a/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PcieInit.c
+++ b/src/vendorcode/amd/agesa/f14/Proc/GNB/PCIe/PcieInit.c
@@ -198,7 +198,7 @@
   if (PcieLibIsPcieWrapper (Wrapper)) {
     IDS_HDT_CONSOLE (GNB_TRACE, "PcieCommonCoreInit Enter\n");
     for (CoreId = Wrapper->StartPcieCoreId; CoreId <= Wrapper->EndPcieCoreId; CoreId++) {
-      for (Index = 0; Index < sizeof (CoreInitTable) / sizeof (PCIE_HOST_REGISTER_ENTRY); Index++) {
+      for (Index = 0; Index < ARRAY_SIZE(CoreInitTable); Index++) {
         UINT32 Value;
         Value = PcieRegisterRead (
                   Wrapper,