drm/amd/display: fix boolconv.cocci warning

./drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c:729:63-68:
WARNING: conversion to bool not needed here

Generated by: scripts/coccinelle/misc/boolconv.cocci
Signed-off-by: Yihao Han <hanyihao@vivo.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_mpc.c

@@ -726,7 +726,7 @@ static bool mpc32_program_shaper(
 	else
 		next_mode = LUT_RAM_A;
 
-	mpc32_configure_shaper_lut(mpc, next_mode == LUT_RAM_A ? true:false, mpcc_id);
+	mpc32_configure_shaper_lut(mpc, next_mode == LUT_RAM_A, mpcc_id);
 
 	if (next_mode == LUT_RAM_A)
 		mpc32_program_shaper_luta_settings(mpc, params, mpcc_id);