util/cbfstool: Fix typos

Found by: util/lint/checkpatch.pl --types TYPO_SPELLING --fix-inplace
--strict --terse -f util/cbfstool/*.c

Change-Id: I13a27407bf2bad4b9fadcec8cdbd5889068f13cf
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38633
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

util/cbfstool/fit.c

@@ -172,7 +172,7 @@ static inline size_t fit_free_space(struct fit_table *fit,
  * This one is critical, as mentioned in Chapter 1.2.1 "FIT Ordering Rules"
  * "Firmware Interface Table BIOS Specification".
  *
- * We need to use a stable sorting algortihm, as the order of
+ * We need to use a stable sorting algorithm, as the order of
  * FIT_TYPE_BIOS_STARTUP matter for measurements.
  */
 static void sort_fit_table(struct fit_table *fit)