ARM: dts: am57xx-idk: Include Industrial grade thermal thresholds

am57xx-idk have Industrial grade samples whose thermal
thresholds are different as compared with dra7. Hence correcting the same.
Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am57xx-idk-common.dtsi

@@ -6,6 +6,8 @@
  * published by the Free Software Foundation.
  */
 
+#include "am57xx-industrial-grade.dtsi"
+
 / {
 	aliases {
 		rtc0 = &tps659038_rtc;