greybus: uart-gb: convert to use gb_operation_sync

This converts the UART protocol driver to use gb_operation_sync,
removing lots of places where the create/send/destroy pattern was being
used to send greybus messages.

Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
Reviewed-by: Alex Elder <elder@linaro.org>
This commit is contained in:
Greg Kroah-Hartman 2014-11-23 17:45:21 -08:00
commit e51f1d1a77