arm64: dts: qcom: sm8350-hdk: correct LT9611 pin function

SM8350 pin controller does not have "normal" pin function, so use
"gpio".
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Fixes: d96d8f91 ("arm64: dts: qcom: sm8350-hdk: Enable lt9611uxc dsi-hdmi bridge")
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230201154321.276419-2-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/sm8350-hdk.dts

@@ -725,7 +725,7 @@ usb_hub_enabled_state: usb-hub-enabled-state {
 	lt9611_state: lt9611-state {
 		rst-pins {
 			pins = "gpio48";
-			function = "normal";
+			function = "gpio";
 
 			output-high;
 			input-disable;