meta-ibm: palmetto: remove virtual overrides

Remove the palmetto override of
PREFERRED_PROVIDER_virtual/obmc-inventory-data as nothing DEPENDS on it.

Change-Id: Id1a277ddbfd4db40b1c9d5270e5901c066c2082f
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
2 files changed