enable docker ppp

hc

2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87

 kernel/drivers/of/unittest-data/overlay_base.dts
..
..
@@ -30,6 +30,7 @@
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 			spin_ctrl_1: motor-1 {
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 				compatible = "ot,ferris-wheel-motor";
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 				spin = "clockwise";
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+				rpm_avail = < 50 >;
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 			};
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 			spin_ctrl_2: motor-8 {