chromeos: fix compilation with size_t formatting

%d is not appropriate for size_t types. %zd is required.

BUG=None
BRANCH=None
TEST=Built on 64-bit.

Change-Id: I4e1d2275b6ee7d7c8d23edb84701a52a3844d38f
Signed-off-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/225900
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-by: Anatol Pomazau <anatol@google.com>
diff --git a/src/vendorcode/google/chromeos/vpd_calibration.c b/src/vendorcode/google/chromeos/vpd_calibration.c
index 1bccf5a..3bfd843 100644
--- a/src/vendorcode/google/chromeos/vpd_calibration.c
+++ b/src/vendorcode/google/chromeos/vpd_calibration.c
@@ -161,7 +161,7 @@
 	cbmem_entry_size += sizeof(struct calibration_entry);
 	cbmem_entry = cbmem_add(CBMEM_ID_WIFI_CALIBRATION, cbmem_entry_size);
 	if (!cbmem_entry) {
-		printk(BIOS_ERR, "%s: no room in cbmem table to add %d bytes\n",
+		printk(BIOS_ERR, "%s: no room in cbmem to add %zd bytes\n",
 		       __func__, cbmem_entry_size);
 		return;
 	}