anchor.diff:  The FDT_NOP token will be ignored by any program parsing the device tree. This token has
   no extra data; so it is followed immediately by the next token, which can be any valid token.
   A property or node definition in the tree can be overwritten with FDT_NOP tokens to remove
  -it from the tree without needing to move other sections of the tree’s representation in the
  +it from the tree without needing to move other sections of the tree's representation in the
   device tree blob.
   
   o
  
positive.code: node that has children in the device tree hierarchy and describes how
  child device nodes should be addressed. The #address-cells property
  defines the number of <u32> cells used to encode the address field in a
  child node’s reg property. The #size-cells property defines the number
  of <u32> cells used to encode the size field in a child node’s reg
  property.
  
  The #address-cells and #size-cells properties are not inherited from
  
negative.code: Note: All other standard properties (section 2.3) are allowed but are optional.
  
  ==== Internal (L1) Cache Properties
  The following properties of a cpu node describe the processor's internal (L1) cache.
  
  .Table 3-8 Cache properties
  [options="header", cols="15,^10,^10,65"]
  