arm64: dts: mediatek: mt8195: Fix GPU thermal zone name for SVS

This SoC has two GPU related thermal zones: the primary zone must be
called "gpu-thermal" for SVS to pick it up.

Fixes: 1e5b6725 ("arm64: dts: mediatek: mt8195: Add AP domain thermal zones")
Link: https://lore.kernel.org/r/20240410083002.1357857-2-angelogioacchino.delregno@collabora.comSigned-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>

arch/arm64/boot/dts/mediatek/mt8195.dtsi

@@ -3880,7 +3880,7 @@ vpu1_crit: trip-crit {
 			};
 		};
 
-		gpu0-thermal {
+		gpu-thermal {
 			polling-delay = <1000>;
 			polling-delay-passive = <250>;
 			thermal-sensors = <&lvts_ap MT8195_AP_GPU0>;