soc: qcom: bgcom: resolve warning error from compiler

As compiler optimization level updated as optimiize for
performance, compliation will fail even if there is warining.

Change-Id: Idadb5261f33225ed3c07cf24b9fec3bbdcc30484
Signed-off-by: Ganesh Keethol <gkeethol@codeaurora.org>
Signed-off-by: Chandrasekhar Mattaparthy <cmatta@codeaurora.org>