drivers: thermal: Kconfig: fix spelling mistake "acces" -> "access"

There is a spelling mistake in the Kconfig text, fix it.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200810082739.48007-1-colin.king@canonical.com
diff --git a/drivers/thermal/st/Kconfig b/drivers/thermal/st/Kconfig
index 3c3b695..58ece38 100644
--- a/drivers/thermal/st/Kconfig
+++ b/drivers/thermal/st/Kconfig
@@ -23,5 +23,5 @@
 	help
 	  Support for thermal framework on STMicroelectronics STM32 series of
 	  SoCs. This thermal driver allows to access to general thermal framework
-	  functionalities and to acces to SoC sensor functionalities. This
+	  functionalities and to access to SoC sensor functionalities. This
 	  configuration is fully dependent of MACH_STM32MP157.