habanalabs: hl_ts_behavior can be static

drivers/misc/habanalabs/common/memory.c:2137:28: warning: symbol 'hl_ts_behavior' was not declared. Should it be static?

Fixes: 4d530e7d ("habanalabs: convert ts to use unified memory manager")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>