thermal: exynos: Fix typos in Kconfig

Fixes some trivial typos.
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Eduardo Valentin <eduardo.valentin@ti.com>

drivers/thermal/samsung/Kconfig

@@ -3,16 +3,16 @@ config EXYNOS_THERMAL
 	depends on ARCH_HAS_BANDGAP
 	help
 	  If you say yes here you get support for the TMU (Thermal Management
-	  Unit) driver for SAMSUNG EXYNOS series of soc. This driver initialises
+	  Unit) driver for SAMSUNG EXYNOS series of SoCs. This driver initialises
 	  the TMU, reports temperature and handles cooling action if defined.
-	  This driver uses the exynos core thermal API's and TMU configuration
-	  data from the supported soc's.
+	  This driver uses the Exynos core thermal APIs and TMU configuration
+	  data from the supported SoCs.
 
 config EXYNOS_THERMAL_CORE
-	bool "Core thermal framework support for EXYNOS SOC's"
+	bool "Core thermal framework support for EXYNOS SOCs"
 	depends on EXYNOS_THERMAL
 	help
 	  If you say yes here you get support for EXYNOS TMU
 	  (Thermal Management Unit) common registration/unregistration
 	  functions to the core thermal layer and also to use the generic
-	  cpu cooling API's.
+	  CPU cooling APIs.