arm/dt: msm9625: Remove qcom,allow-atomic regulator property for S2

No consumers require atomic access for PM8019 regulator SMPS 2.
Therefore, remove the qcom,allow-atomic property for this
regulator so that additional latency is not introduced during
SMPS 2 transactions.

Change-Id: If4539b5d1750013922f8fac8e85815412f91b225
Signed-off-by: David Collins <collinsd@codeaurora.org>
diff --git a/arch/arm/boot/dts/msm9625-regulator.dtsi b/arch/arm/boot/dts/msm9625-regulator.dtsi
index dccc723..d410bd4 100644
--- a/arch/arm/boot/dts/msm9625-regulator.dtsi
+++ b/arch/arm/boot/dts/msm9625-regulator.dtsi
@@ -23,7 +23,6 @@
 
 	rpm-regulator-smpa2 {
 		status = "okay";
-		qcom,allow-atomic = <1>;
 		pm8019_s2: regulator-s2 {
 			regulator-min-microvolt = <1250000>;
 			regulator-max-microvolt = <1250000>;