msm: mink: fix for infinite loop when listeners are invoked

When QSEECom listeners are invoked for calls initiated using SMCInvoke,
a wrong check is causing infinite loop. Fixing logic to prevent infinite
loop.

Change-Id: I9be9c69fd4fcc5831ac07f3863ff08e27a49c2ff
Signed-off-by: Dinesh K Garg <dineshg@codeaurora.org>