thermal: zx2967: add thermal driver for ZTE's zx2967 family

This patch adds thermal driver for ZTE's zx2967 family.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 3912d24..776b343 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -445,4 +445,12 @@
 source "drivers/thermal/qcom/Kconfig"
 endmenu
 
+config ZX2967_THERMAL
+	tristate "Thermal sensors on zx2967 SoC"
+	depends on ARCH_ZX || COMPILE_TEST
+	help
+	  Enable the zx2967 thermal sensors driver, which supports
+	  the primitive temperature sensor embedded in zx2967 SoCs.
+	  This sensor generates the real time die temperature.
+
 endif