Sub_module update for sonic-platform-daemons

850d0c6 [xcvrd] support for integrating Credo Y cable Ports initialization and status updates with xcvrd.  (sonic-net#105)
600d043 [xcvrd] Add enum dependence back; Install 'enum34' conditionally based on Python version (sonic-net#107)
af79326 [xcvrd] Remove log errors in single ASIC platforms with init Global config (sonic-net#108)

Signed-off-by: vaibhav-dahiya <vdahiya@microsoft.com>