drm/msm: delete conversion from bool value to bool return

Delete the conversion from bool value to bool function return.
Signed-off-by: Bernard Zhao <bernard@vivo.com>
Link: https://lore.kernel.org/r/AI*ANACSDfnjQejyeNXUnKoQ.1.1604995827401.Hmail.bernard@vivo.comSigned-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Rob Clark <robdclark@chromium.org>

drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_cmd.c

@@ -42,7 +42,7 @@
 
 static bool dpu_encoder_phys_cmd_is_master(struct dpu_encoder_phys *phys_enc)
 {
-	return (phys_enc->split_role != ENC_ROLE_SLAVE) ? true : false;
+	return (phys_enc->split_role != ENC_ROLE_SLAVE);
 }
 
 static bool dpu_encoder_phys_cmd_mode_fixup(