superio/ite/it8528e: Fix typo

Change-Id: I40035bf622fea2ff7aed74dce125cbf6265afa6e
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37505
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/superio/ite/it8528e/it8528e.h b/src/superio/ite/it8528e/it8528e.h
index d9d07d0..a065b7d 100644
--- a/src/superio/ite/it8528e/it8528e.h
+++ b/src/superio/ite/it8528e/it8528e.h
@@ -27,7 +27,7 @@
 #define IT8528E_RTCT 0x10 /* RTC-like Timer */
 #define IT8528E_PMC1 0x11 /* Power Management Channel 1 */
 #define IT8528E_PMC2 0x12 /* Power Management Channel 2 */
-#define IT8528E_SSPI 0x13 /* Serial Periphial Interface */
+#define IT8528E_SSPI 0x13 /* Serial Peripheral Interface */
 #define IT8528E_PECI 0x14 /* Platform EC Interface */
 #define IT8528E_PMC3 0x17 /* Power Management Channel 3 */
 #define IT8528E_PMC4 0x18 /* Power Management Channel 4 */