Update git submodules

Sudharsan D.G · Gerrit Code Review · commit cb87e024cc12 · 2019-08-30T19:35:23.000-07:00
* Update src/sonic-platform-daemons from branch 'broadcom_sonic' to fc4e9c20c405f281b39f2868aaf5ce20b9f949df - [JIRA SONIC-8947] [xcvrd] Fix transceiver tuning issue (sonic-net#40) Change-Id: I23509dddd32e30f98c58886d0e4c9d701a4cc2d4
diff --git a/src/sonic-platform-daemons b/src/sonic-platform-daemons
@@ -1 +1 @@
-Subproject commit cb060ffad955dc6c36f424ecbed87f0b1e816d99
+Subproject commit fc4e9c20c405f281b39f2868aaf5ce20b9f949df
