drm/amdgpu: Use parentheses for sizeof *numa_info in 'amdgpu_acpi_get_numa_info'

Fixes the below:

WARNING: sizeof *numa_info should be sizeof(*numa_info)

Cc: Christian König <christian.koenig@amd.com>
Cc: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Srinivasan Shanmugam <srinivasan.shanmugam@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -868,7 +868,7 @@ static struct amdgpu_numa_info *amdgpu_acpi_get_numa_info(uint32_t pxm)
 	if (!numa_info) {
 		struct sysinfo info;
 
-		numa_info = kzalloc(sizeof *numa_info, GFP_KERNEL);
+		numa_info = kzalloc(sizeof(*numa_info), GFP_KERNEL);
 		if (!numa_info)
 			return NULL;