[arista] Update driver submodules (#5147)

- fix watchdog timeout units
- fix import path for thermal_manager
- remove arista bind mounts for docker-snmp
- improve arista bind mounts for pmon

Author: Staphylo

platform/barefoot/sonic-platform-modules-arista

@@ -41,7 +41,9 @@ $(DOCKER_PLATFORM_MONITOR)_RUN_OPT += -v /etc/sonic:/etc/sonic:ro
 
 # Mount Arista python library on Aboot images to be used by plugins
 $(DOCKER_PLATFORM_MONITOR)_aboot_RUN_OPT += -v /usr/lib/python2.7/dist-packages/arista:/usr/lib/python2.7/dist-packages/arista:ro
-$(DOCKER_PLATFORM_MONITOR)_aboot_RUN_OPT += -v /usr/lib/python2.7/dist-packages/arista/utils/sonic_platform:/usr/lib/python2.7/dist-packages/sonic_platform:ro
+$(DOCKER_PLATFORM_MONITOR)_aboot_RUN_OPT += -v /usr/lib/python3/dist-packages/arista:/usr/lib/python3/dist-packages/arista:ro
+$(DOCKER_PLATFORM_MONITOR)_aboot_RUN_OPT += -v /usr/lib/python2.7/dist-packages/sonic_platform:/usr/lib/python2.7/dist-packages/sonic_platform:ro
+$(DOCKER_PLATFORM_MONITOR)_aboot_RUN_OPT += -v /usr/lib/python3/dist-packages/sonic_platform:/usr/lib/python3/dist-packages/sonic_platform:ro
 
 $(DOCKER_PLATFORM_MONITOR)_BASE_IMAGE_FILES += cmd_wrapper:/usr/bin/sensors
 $(DOCKER_PLATFORM_MONITOR)_BASE_IMAGE_FILES += cmd_wrapper:/usr/sbin/smartctl

platform/broadcom/sonic-platform-modules-arista

@@ -26,7 +26,5 @@ SONIC_INSTALL_DOCKER_DBG_IMAGES += $(DOCKER_SNMP_DBG)
 $(DOCKER_SNMP)_CONTAINER_NAME = snmp
 $(DOCKER_SNMP)_RUN_OPT += --privileged -t
 $(DOCKER_SNMP)_RUN_OPT += -v /etc/sonic:/etc/sonic:ro
-# mount Arista platform python libraries to support corresponding platforms SNMP power status query
-$(DOCKER_SNMP)_RUN_OPT += -v /usr/lib/python3/dist-packages/arista:/usr/lib/python3/dist-packages/arista:ro
 $(DOCKER_SNMP)_FILES += $(SUPERVISOR_PROC_EXIT_LISTENER_SCRIPT)
 $(DOCKER_SNMP)_BASE_IMAGE_FILES += monit_snmp:/etc/monit/conf.d