src: Capitalize Super I/O

Change-Id: I9ad9294dd2ae3e4a8a9069ac6464ad753af65ea5
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/35541
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/device/pnp_device.c b/src/device/pnp_device.c
index 164fc19..28a45d0 100644
--- a/src/device/pnp_device.c
+++ b/src/device/pnp_device.c
@@ -109,7 +109,7 @@
 static void pnp_set_resource(struct device *dev, struct resource *resource)
 {
 	if (!(resource->flags & IORESOURCE_ASSIGNED)) {
-		/* The PNP_MSC super IO registers have the IRQ flag set. If no
+		/* The PNP_MSC Super IO registers have the IRQ flag set. If no
 		   value is assigned in the devicetree, the corresponding
 		   PNP_MSC register doesn't get written, which should be printed
 		   as warning and not as error. */