These scm calls may take a long time to complete on TZ side, switch to non-atomic calls. Change-Id: If98ef69e2474f1c50670c2605afe9769a4e0fb39 Signed-off-by: Gilad Broner <gbroner@codeaurora.org> Signed-off-by: Andrey Markovytch <andreym@codeaurora.org>