vServices drivers compilation failed when it is compiled with LLVM compiler. Fix the vService drivers to compile successfully. Change-Id: Ie729480eb17c3156c63638edb4e47603cfad1ef2 Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org> [snaseem@codeaurora.org: resolve trivial merge conflicts] Signed-off-by: Shadab Naseem <snaseem@codeaurora.org>