arm64: dts: renesas: r8a7796: decrease temperature hysteresis

To incorporate more tests by the hardware team decrease the hysteresis
value to 1C.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm64/boot/dts/renesas/r8a7796.dtsi

@@ -2072,12 +2072,12 @@ sensor_thermal1: sensor-thermal1 {
 			trips {
 				sensor1_passive: sensor1-passive {
 					temperature = <95000>;
-					hysteresis = <2000>;
+					hysteresis = <1000>;
 					type = "passive";
 				};
 				sensor1_crit: sensor1-crit {
 					temperature = <120000>;
-					hysteresis = <2000>;
+					hysteresis = <1000>;
 					type = "critical";
 				};
 			};
@@ -2098,12 +2098,12 @@ sensor_thermal2: sensor-thermal2 {
 			trips {
 				sensor2_passive: sensor2-passive {
 					temperature = <95000>;
-					hysteresis = <2000>;
+					hysteresis = <1000>;
 					type = "passive";
 				};
 				sensor2_crit: sensor2-crit {
 					temperature = <120000>;
-					hysteresis = <2000>;
+					hysteresis = <1000>;
 					type = "critical";
 				};
 			};
@@ -2124,12 +2124,12 @@ sensor_thermal3: sensor-thermal3 {
 			trips {
 				sensor3_passive: sensor3-passive {
 					temperature = <95000>;
-					hysteresis = <2000>;
+					hysteresis = <1000>;
 					type = "passive";
 				};
 				sensor3_crit: sensor3-crit {
 					temperature = <120000>;
-					hysteresis = <2000>;
+					hysteresis = <1000>;
 					type = "critical";
 				};
 			};