netlink: specs: allow uapi-header in genetlink

Chuck wanted to put the UAPI header in linux/net/ which seems
reasonable, allow genetlink families to choose the location.
It doesn't really matter for non-C-like languages.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/netlink/genetlink-c.yaml

@@ -33,10 +33,10 @@ properties:
   protocol:
     description: Schema compatibility level. Default is "genetlink".
     enum: [ genetlink, genetlink-c ]
-  # Start genetlink-c
   uapi-header:
     description: Path to the uAPI header, default is linux/${family-name}.h
     type: string
+  # Start genetlink-c
   c-family-name:
     description: Name of the define for the family name.
     type: string

Documentation/netlink/genetlink-legacy.yaml

@@ -33,10 +33,10 @@ properties:
   protocol:
     description: Schema compatibility level. Default is "genetlink".
     enum: [ genetlink, genetlink-c, genetlink-legacy ] # Trim
-  # Start genetlink-c
   uapi-header:
     description: Path to the uAPI header, default is linux/${family-name}.h
     type: string
+  # Start genetlink-c
   c-family-name:
     description: Name of the define for the family name.
     type: string

Documentation/netlink/genetlink.yaml

@@ -33,6 +33,9 @@ properties:
   protocol:
     description: Schema compatibility level. Default is "genetlink".
     enum: [ genetlink ]
+  uapi-header:
+    description: Path to the uAPI header, default is linux/${family-name}.h
+    type: string
 
   definitions:
     description: List of type and constant definitions (enums, flags, defines).