tree: Use Wcalloc-transposed-args command option

GCC-14 documentation says "The first argument to calloc is documented to
be number of elements in array, while the second argument is size of
each element, so calloc(n, sizeof (int)) is preferred over
calloc(sizeof(int), n)."

Change-Id: I77b6f4d2eda487b087ba5665b588999633c33e8d
Signed-off-by: Elyes Haouas <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/82658
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/Makefile.mk b/Makefile.mk
index 0358c88..e406702 100644
--- a/Makefile.mk
+++ b/Makefile.mk
@@ -502,6 +502,7 @@
 CFLAGS_common += -Wstring-compare
 ifeq ($(CONFIG_COMPILER_GCC),y)
 CFLAGS_common += -Wold-style-declaration -Wflex-array-member-not-at-end
+CFLAGS_common += -Wcalloc-transposed-args
 # Don't add these GCC specific flags when running scan-build
 ifeq ($(CCC_ANALYZER_OUTPUT_FORMAT),)
 CFLAGS_common += -Wno-packed-not-aligned
diff --git a/src/southbridge/intel/common/rcba_pirq.c b/src/southbridge/intel/common/rcba_pirq.c
index c9f1518..ce44bc4 100644
--- a/src/southbridge/intel/common/rcba_pirq.c
+++ b/src/southbridge/intel/common/rcba_pirq.c
@@ -58,7 +58,7 @@
 
 	printk(BIOS_DEBUG, "Generating ACPI PIRQ entries\n");
 
-	pin_irq_map = calloc(sizeof(struct slot_pin_irq_map), MAX_SLOTS * PCI_INT_MAX);
+	pin_irq_map = calloc(MAX_SLOTS * PCI_INT_MAX, sizeof(struct slot_pin_irq_map));
 	pirq_map.type = PIRQ_SOURCE_PATH;
 	for (i = 0; i < PIRQ_COUNT; i++)
 		snprintf(pirq_map.source_path[i], sizeof(pirq_map.source_path[i]),