arm64: dts: qcom: msm8996: qcom,controlled-remotely is boolean

QCOM BAM parses property `qcom,controlled-remotely` as a boolean,
adjust dts to reflect that.

Discovered while converting text documentation into yaml format.
Signed-off-by: David Heidelberg <david@ixit.cz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211220145526.49102-1-david@ixit.cz

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -713,7 +713,7 @@ cryptobam: dma@644000 {
 			clock-names = "bam_clk";
 			#dma-cells = <1>;
 			qcom,ee = <0>;
-			qcom,controlled-remotely = <1>;
+			qcom,controlled-remotely;
 		};
 
 		crypto: crypto@67a000 {