src/soc: change "unsigned" to "unsigned int"

Signed-off-by: Martin Roth <martin@coreboot.org>
Change-Id: I9c1228d3f9e7a12fe30c48e3b1f143520fed875c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36332
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>

src/soc/nvidia/tegra124/i2c.c

@@ -50,4 +50,4 @@ struct tegra_i2c_bus_info tegra_i2c_info[] = {
 	}
 };
 
-unsigned g_num_i2c_buses = ARRAY_SIZE(tegra_i2c_info);
+unsigned int g_num_i2c_buses = ARRAY_SIZE(tegra_i2c_info);