mb/prodrive/hermes: Fix format mismatch

Change-Id: I2a6947c1a39b115a7c7f5da1c9becfd51f45fad9
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/69239
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/src/mainboard/prodrive/hermes/eeprom.c b/src/mainboard/prodrive/hermes/eeprom.c
index 70a163f..c4a2695 100644
--- a/src/mainboard/prodrive/hermes/eeprom.c
+++ b/src/mainboard/prodrive/hermes/eeprom.c
@@ -65,7 +65,7 @@
 		if (crc != board_cfg->signature)
 			continue;
 
-		printk(BIOS_DEBUG, "CFG EEPROM: Board settings CRC OK for %zu / %lu bytes\n",
+		printk(BIOS_DEBUG, "CFG EEPROM: Board settings CRC OK for %zu / %zu bytes\n",
 				len, sizeof(board_cfg->raw_settings));
 		return len;
 	}