This if is always true

In previous line, if p_dev_rec->sm4 & BTM_SM4_UPGRADE is true, then we
still have BTM_SUCCESS; if we invoke btm_cb.api.p_sp_callback, then OOB
data status is set in btif_dm_set_oob_for_io_req, unless the stack is
not running.

Bug: 163134718
Tag: #refactor
Test: compile & verify basic functions working
Change-Id: I14a0dc1d1c6ef62d0bbd4095073bd02c3aa08fdb