drm/amdkfd: Address 'remap_list' not described in 'svm_range_add'

drm/amdkfd: Address 'remap_list' not described in 'svm_range_add'

Fixes the below:

drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:2073: warning: Function parameter or member 'remap_list' not described in 'svm_range_add'

Cc: Felix Kuehling <[email protected]>
Cc: Christian König <[email protected]>
Cc: Alex Deucher <[email protected]>
Cc: "Pan, Xinhui" <[email protected]>
Signed-off-by: Srinivasan Shanmugam <[email protected]>
Reviewed-by: Felix Kuehling <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>