drm/amdgpu/sdma5.2: Remove unnecessary conversion to bool

Fix the following coccicheck warnings:

./drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c:1621:40-45: WARNING: conversion
to bool not needed here.

./drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c:1619:40-45: WARNING: conversion
to bool not needed here.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/sdma_v5_2.c

@@ -1595,9 +1595,9 @@ static int sdma_v5_2_set_clockgating_state(void *handle,
 	case CHIP_VANGOGH:
 	case CHIP_DIMGREY_CAVEFISH:
 		sdma_v5_2_update_medium_grain_clock_gating(adev,
-				state == AMD_CG_STATE_GATE ? true : false);
+				state == AMD_CG_STATE_GATE);
 		sdma_v5_2_update_medium_grain_light_sleep(adev,
-				state == AMD_CG_STATE_GATE ? true : false);
+				state == AMD_CG_STATE_GATE);
 		break;
 	default:
 		break;