libtelepathy: python-native is now used during build

libtelepathy: python-native is now used during build

libtelepathy generated makefiles contain an
assignment like this: PYTHON=python
This could lead to potential build problems
in Yocto environment because python-native
is not used during the build.

Fixes [YOCTO #3679]

(From OE-Core rev: 9e7f5dcb51c547ccec014952ee7c82f9a222d187)

Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>