staging: ozwpan: kobject_uevent_env() from process context

staging: ozwpan: kobject_uevent_env() from process context

Call kobject_uevent_env() always from process context.

Bug 1523226

Reviewed-on: http://git-master/r/425002
(cherry picked from commit a7168d798724a3049f6dc53cd0f35d2c34163e48)

Change-Id: I65e52eda1349b2a807c323d3f8768e1bda516a45
Signed-off-by: S Tateno <shigekatsu.tateno@atmel.com>
Signed-off-by: Vinayak Pane <vpane@nvidia.com>
Reviewed-on: http://git-master/r/426903
Reviewed-by: Bibhay Ranjan <bibhayr@nvidia.com>
Tested-by: Bibhay Ranjan <bibhayr@nvidia.com>
Reviewed-by: Mitch Luban <mluban@nvidia.com>
GVS: Gerrit_Virtual_Submit