util/kbc1126: [cosmetic] change Makefile casing

Change-Id: Iac616fdb3de79f4f58c30a2eb674ed5152b6a6e4
Signed-off-by: Idwer Vollering <vidwer@gmail.com>
Reviewed-on: https://review.coreboot.org/21050
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/util/kbc1126/makefile b/util/kbc1126/Makefile
similarity index 100%
rename from util/kbc1126/makefile
rename to util/kbc1126/Makefile