thermal: imx_thermal: rework driver to be reused

Rework imx_thermal driver to be used across i.MX
processor that support thermal sensor

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
diff --git a/include/configs/tbs2910.h b/include/configs/tbs2910.h
index 66cb274..70b4403 100644
--- a/include/configs/tbs2910.h
+++ b/include/configs/tbs2910.h
@@ -20,7 +20,7 @@
 
 #define CONFIG_SYS_HZ			1000
 
-#define CONFIG_IMX6_THERMAL
+#define CONFIG_IMX_THERMAL
 
 /* Physical Memory Map */
 #define CONFIG_NR_DRAM_BANKS		1