[Arista][phy-credo]: update deb for speed change and bug fix (#10990)

Add support for reacting to speed change between 40G and 100G in CONFIG_DB
Fix a bug on optical bit setting.
Avoid the random error in shutdown for issue: aristanetworks/sonic#40
Avoid to run on SmartsvilleBkMs, which depends on a different driver (credo-sai).

How I did it
How to verify it
Verified on the duts that the commands printed in the log are matching the expectation and the interfaces are up.

rules/phy-credo.mk

@@ -1,3 +1,3 @@
 PHY_CREDO = phy-credo_1.0_amd64.deb
-$(PHY_CREDO)_URL = "https://github.com/aristanetworks/sonic-firmware/raw/d227160f981f27df020ab50b9e0f16b1bd9166ea/phy/phy-credo_1.0_amd64.deb"
+$(PHY_CREDO)_URL = "https://github.com/aristanetworks/sonic-firmware/raw/e89a1696954fd381e1e95edf208cffc97caf15d4/phy/phy-credo_1.0_amd64.deb"
 SONIC_ONLINE_DEBS += $(PHY_CREDO)