device/azalia_device.c: Correct print format

The type of `verb_size` is unsigned, thus use `%u` to print its value.

Change-Id: I2b353b940e881dc8b5f0b902509d97d89c997a70
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50386
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/device/azalia_device.c b/src/device/azalia_device.c
index e383821..8e5998c 100644
--- a/src/device/azalia_device.c
+++ b/src/device/azalia_device.c
@@ -220,7 +220,7 @@
 		printk(BIOS_DEBUG, "azalia_audio: No verb!\n");
 		return;
 	}
-	printk(BIOS_DEBUG, "azalia_audio: verb_size: %d\n", verb_size);
+	printk(BIOS_DEBUG, "azalia_audio: verb_size: %u\n", verb_size);
 
 	/* 3 */
 	for (i = 0; i < verb_size; i++) {