acpi: Fix BERT size_t printf format error

Fix compilation on GCC 10.2.1 and address the underlying issue. The
printf format specifier for a size_t type is z.

Change-Id: Ieb1db6c0c3eb4947bd3617e418bac238b70ec08f
Signed-off-by: Benjamin Doron <benjamin.doron00@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50051
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/arch/x86/acpi_bert_storage.c b/src/arch/x86/acpi_bert_storage.c
index ec31917..f1dcf47 100644
--- a/src/arch/x86/acpi_bert_storage.c
+++ b/src/arch/x86/acpi_bert_storage.c
@@ -200,7 +200,7 @@
 {
 	void *cl_data = bert_allocate_storage(cl_size);
 	if (!cl_data) {
-		printk(BIOS_ERR, "Error: Crashlog entry (size %lu) would exceed available region\n",
+		printk(BIOS_ERR, "Error: Crashlog entry (size %zu) would exceed available region\n",
 			cl_size);
 		return NULL;
 	}
diff --git a/src/soc/intel/common/block/systemagent/memmap.c b/src/soc/intel/common/block/systemagent/memmap.c
index ce842e8..a67d050 100644
--- a/src/soc/intel/common/block/systemagent/memmap.c
+++ b/src/soc/intel/common/block/systemagent/memmap.c
@@ -63,7 +63,7 @@
 	*start = cbmem_add(CBMEM_ID_ACPI_BERT, BERT_REGION_MAX_SIZE);
 	*size = BERT_REGION_MAX_SIZE;
 
-	printk(BIOS_DEBUG, "Reserving BERT start %lx, size %lx\n", (uintptr_t)*start, *size);
+	printk(BIOS_DEBUG, "Reserving BERT start %lx, size %zx\n", (uintptr_t)*start, *size);
 }
 
 void fill_postcar_frame(struct postcar_frame *pcf)