tcmode-deby.inc: Update PREFERRED_PROVIDER base on layer "meta"
tcmode-deby.inc: Update PREFERRED_PROVIDER base on layer "meta"

We set PROVIDE for gcc* and binutils* as layer meta, so we need to
update PREFERRED_PROVIDER in tcmode-deby.inc too.

Signed-off-by: Trung Do <64081e6b7eb2b24289b8a4e51cef9836ddf28af2@toshiba-tsdv.com>

meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian