modify repositories for tizen 2.4 mobile

modify repositories for tizen 2.4 mobile

currently, 2.4-base repository is for release,
while 2.4-mobile repository is for snapshot.
(mismatch between both repositories)
Both repositories shall be for release.

Change-Id: I94c6eaaba9fba56ca81f56d7973ec4c3f847626a
Signed-off-by: Youngman <yman.jung@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/21523
Tested-by: jenkins-iotivity <jenkins@iotivity.org>
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>
(cherry picked from commit d10a6a50ad786e102c08bf36720648f9f404e0ea)