superio/fintek/f81866d: capitalize 'TODO'

Change-Id: I2879a8739012863837e23e60fed5eb6ee209dea0
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37504
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
diff --git a/src/superio/fintek/f81866d/f81866d_hwm.c b/src/superio/fintek/f81866d/f81866d_hwm.c
index 8b6435c..1b49968 100644
--- a/src/superio/fintek/f81866d/f81866d_hwm.c
+++ b/src/superio/fintek/f81866d/f81866d_hwm.c
@@ -17,7 +17,7 @@
  */
 
 /* Setup only for Fan2
- * Todo: Add support for Fan1 and Fan3
+ * TODO: Add support for Fan1 and Fan3
  */
 
 #include <console/console.h>