of: unittest-data: Fix whitespace - indentation

Single space for each indentation level.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/4df783995a7d34364cb06002bdfeb9eaf2ad4e80.1690533838.git.geert+renesas@glider.be
Signed-off-by: Rob Herring <robh@kernel.org>

drivers/of/unittest-data/overlay_bad_add_dup_node.dtso

@@ -21,7 +21,7 @@
 };
 
 &spin_ctrl_1 {
-		controller {
-			power_bus_emergency = < 0x101 0x102 >;
-		};
+	controller {
+		power_bus_emergency = < 0x101 0x102 >;
+	};
 };

drivers/of/unittest-data/overlay_bad_add_dup_prop.dtso

@@ -32,7 +32,7 @@
 };
 
 &spin_ctrl_1 {
-		electric {
-			rpm_avail = < 100 200 >;
-		};
+	electric {
+		rpm_avail = < 100 200 >;
+	};
 };