wifi: change log level in slsi_send_request
wifi: change log level in slsi_send_request

This commit is to change the log level in slsi_send_request.
It caused the log drop because of too much logs.

Change-Id: I89d725252f9e2e1afd907ddca81227970cfd3711
Signed-off-by: Changsoon Kim <c1120524009612ae00648f6848418e342ca4bc0a@samsung.com>

JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT,JunhwanPark/TizenRT