arm64: dts: rockchip: Fix the value of `dlg,jack-det-rate` mismatch on rk3399-gru

According to Documentation/devicetree/bindings/sound/dialog,da7219.yaml,
the value of `dlg,jack-det-rate` property should be "32_64" instead of
"32ms_64ms".

Fixes: dc0ff0fa ("ASoC: da7219: Add Jack insertion detection polarity")
Signed-off-by: Hsin-Te Yuan <yuanhsinte@chromium.org>
Link: https://lore.kernel.org/r/20240613-jack-rate-v2-2-ebc5f9f37931@chromium.orgSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi

@@ -450,7 +450,7 @@ da7219_aad {
 			dlg,btn-cfg = <50>;
 			dlg,mic-det-thr = <500>;
 			dlg,jack-ins-deb = <20>;
-			dlg,jack-det-rate = "32ms_64ms";
+			dlg,jack-det-rate = "32_64";
 			dlg,jack-rem-deb = <1>;
 
 			dlg,a-d-btn-thr = <0xa>;