No warnings about malformed value for DNFs

Now if the component value is any of the DNF values we avoid parsing it
as a real value.

CHANGELOG.md

@@ -13,6 +13,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Fixed
 - The variants logic for BoMs when a component resquested to be only added to
   more than one variant.
+- Removed warnings about malformed values for DNF components indicating it in
+  its value.
 
 ## [0.6.1] - 2020-08-20
 ### Added

kibot/bom/bom.py

@@ -355,7 +355,7 @@ def group_components(cfg, components):
             if test_reg_exclude(cfg, c):
                 continue
         # Cache the value used to sort
-        if c.ref_prefix in RLC_PREFIX:
+        if c.ref_prefix in RLC_PREFIX and c.value.lower() not in DNF:
             c.value_sort = comp_match(c.value, c.ref_prefix)
         else:
             c.value_sort = None