arm64: dts: qcom: sm8450-hdk: use recommended drive strength for speaker SD_N

Downstream DTS (and sc8280xp-lenovo-thinkpad-x13s with the same
speakers) uses 16 mA drive strength for the WSA8835 speaker SD_N
reset/shutdown pin.  Use the same for HDK8450, as it is seem the
recommended value.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230308142712.277659-1-krzysztof.kozlowski@linaro.org

arch/arm64/boot/dts/qcom/sm8450-hdk.dts

@@ -797,7 +797,7 @@ &tlmm {
 	spkr_1_sd_n_active: spkr-1-sd-n-active-state {
 		pins = "gpio1";
 		function = "gpio";
-		drive-strength = <4>;
+		drive-strength = <16>;
 		bias-disable;
 		output-low;
 	};
@@ -805,7 +805,7 @@ spkr_1_sd_n_active: spkr-1-sd-n-active-state {
 	spkr_2_sd_n_active: spkr-2-sd-n-active-state {
 		pins = "gpio89";
 		function = "gpio";
-		drive-strength = <4>;
+		drive-strength = <16>;
 		bias-disable;
 		output-low;
 	};