thermal: add i.MX8 thermal driver

Add i.MX8 thermal driver to support get temperature from SCU.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index a71b9be..bdf8dc6 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -17,6 +17,15 @@
           cpufreq is used as the cooling device to throttle CPUs when the
           passive trip is crossed.
 
+config IMX_SCU_THERMAL
+	bool "Temperature sensor driver for NXP i.MX8"
+	depends on ARCH_IMX8
+	help
+	  Support for Temperature sensors on NXP i.MX8.
+	  It supports one critical trip point and one passive trip point. The
+	  boot is hold to the cool device to throttle CPUs when the passive
+	  trip is crossed
+
 config TI_DRA7_THERMAL
         bool "Temperature sensor driver for TI dra7xx SOCs"
         help