add: am57xx-industrial-grade.dtsi

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

src/arm/am57xx-industrial-grade.dtsi

+// SPDX-License-Identifier: GPL-2.0
+&cpu_alert0 {
+	temperature = <90000>; /* milliCelsius */
+};
+
+&cpu_crit {
+	temperature = <105000>; /* milliCelsius */
+};
+
+&gpu_crit {
+	temperature = <105000>; /* milliCelsius */
+};
+
+&core_crit {
+	temperature = <105000>; /* milliCelsius */
+};
+
+&dspeve_crit {
+	temperature = <105000>; /* milliCelsius */
+};
+
+&iva_crit {
+	temperature = <105000>; /* milliCelsius */
+};