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/f16kb/Proc/Mem/Tech/DDR3/mt3.c b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Tech/DDR3/mt3.c
index 113386e..f632337 100644
--- a/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Tech/DDR3/mt3.c
+++ b/src/vendorcode/amd/agesa/f16kb/Proc/Mem/Tech/DDR3/mt3.c
@@ -207,12 +207,12 @@
       //
       // Initialize the SPD pointers for each Dimm
       //
-      for (i = 0 ; i < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0])) ; i++) {
+      for (i = 0 ; i < ARRAY_SIZE(ChannelPtr->DimmSpdPtr); i++) {
         ChannelPtr->DimmSpdPtr[i] = NULL;
       }
       for (i = 0 ; i < DimmSlots; i++) {
         ChannelPtr->DimmSpdPtr[i] = &(ChannelPtr->SpdPtr[i]);
-        if ( (i + 2) < (sizeof (ChannelPtr->DimmSpdPtr) / sizeof (ChannelPtr->DimmSpdPtr[0]))) {
+        if ( (i + 2) < ARRAY_SIZE(ChannelPtr->DimmSpdPtr)) {
           if (ChannelPtr->DimmSpdPtr[i]->DimmPresent) {
             if ((((ChannelPtr->DimmSpdPtr[i]->Data[SPD_RANKS] >> 3) & 0x07) + 1) > 2) {
               ChannelPtr->DimmSpdPtr[i + 2] = &(ChannelPtr->SpdPtr[i]);