dts: bindings: regulator: fix npm13xx soft start current enum

The nPM1300 datasheet featured wrong soft start current values which
were also used in the DTS bindings for its regulator driver. This fixes
the values aligning them with the next release of the document.

Signed-off-by: Sergei Ovchinnikov <sergei.ovchinnikov@nordicsemi.no>

Author: seov-nordic

dts/bindings/regulator/nordic,npm13xx-regulator-common.yaml

@@ -61,10 +61,10 @@ child-binding:
     soft-start-microamp:
       type: int
       enum:
-        - 10000
-        - 20000
-        - 35000
+        - 25000
         - 50000
+        - 75000
+        - 100000
       description: |
         Soft start current limit in microamps.