SiHo[m]1: As I understood or SVD should looks like:
```yaml
<register>
   <name>PORTB_DOUT</name>
   <description>data out</description>
    <addressOffset>0x070</addressOffset>
     <access>read-write</access>
     <resetValue>0x00000000</resetValue>
     <resetMask>0x0000003F</resetMask>
     <fields>
       <field>
         <name>DOUT</name>
         <description>Data output</description>
         <bitOffset>0</bitOffset>
         <bitWidth>6</bitWidth>
         <access>read-write</access>
         <writeConstraint>
                <range>
                  <minimum>0</minimum>
                  <maximum>63</maximum>
                </range>
              </writeConstraint>
      </field>
    </fields>
</register>
```