[Mellanox] Install MFT package on platform monitor (pmon) container (s…

…onic-net#10932)

- Why I did it
Need to execute mlxreg inside pmon docker

- How I did it
Add MFT package to pmon Makefile

- How to verify it
Install image, go to pmon : docker exec -it pmon bash, exec mlxreg
Verifiy warm, fast and cold reboot while MFT is being called in pmon constantly 

Signed-off-by: Andriy Yurkiv <ayurkiv@nvidia.com>

rules/docker-platform-monitor.mk

@@ -6,7 +6,7 @@ DOCKER_PLATFORM_MONITOR_DBG = $(DOCKER_PLATFORM_MONITOR_STEM)-$(DBG_IMAGE_MARK).
 
 $(DOCKER_PLATFORM_MONITOR)_PATH = $(DOCKERS_PATH)/$(DOCKER_PLATFORM_MONITOR_STEM)
 
-$(DOCKER_PLATFORM_MONITOR)_DEPENDS += $(LIBSENSORS) $(LM_SENSORS) $(FANCONTROL) $(SENSORD) $(LIBSWSSCOMMON) $(PYTHON3_SWSSCOMMON) $(ETHTOOL)
+$(DOCKER_PLATFORM_MONITOR)_DEPENDS += $(LIBSENSORS) $(LM_SENSORS) $(FANCONTROL) $(SENSORD) $(LIBSWSSCOMMON) $(PYTHON3_SWSSCOMMON) $(ETHTOOL) $(MFT)
 
 
 $(DOCKER_PLATFORM_MONITOR)_PYTHON_WHEELS += $(SONIC_PLATFORM_COMMON_PY3)