96boards mezzanine boards on LS expansion require 1.8v as per 96boards
specifications, so enable the corresponding regulators and make them
always-on.

Signed-off-by: Srinivas Kandagatla <[email protected]>
---
 arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi 
b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
index 601c0ff..279af22 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
@@ -230,9 +230,14 @@
                regulator-max-microvolt = <3337000>;
        };
 
+       /**
+        * 1.8v required on LS expansion
+        * for mezzanine boards
+        */
        l15 {
                regulator-min-microvolt = <1750000>;
                regulator-max-microvolt = <3337000>;
+               regulator-always-on;
        };
 
        l16 {
-- 
1.9.1

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