cpu: Fix spelling

Change-Id: I69c46648de0689e9bed84c7726906024ad65e769
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/3729
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/cpu/samsung/exynos5250/tmu.c

@@ -69,8 +69,8 @@ struct tmu_info exynos5250_tmu_info = {
 
 /*
  * After reading temperature code from register, compensating
- * its value and calculating celsius temperatue,
- * get current temperatue.
+ * its value and calculating celsius temperature,
+ * get current temperature.
  *
  * @return	current temperature of the chip as sensed by TMU
  */