The freeze controller is required for FPGA partial reconfig. This node is disable on default. Enable this node via u-boot fdt command when needed. Signed-off-by: Yau Wai Gan <yau.wai.gan@intel.com> Signed-off-by: Dinesh Maniyam <dinesh.maniyam@intel.com> Reviewed-by: Tien Fong Chee <tien.fong.chee@intel.com>