[IM] Remove the PMON and XCVRD delay on system boot

Signed-off-by: vadymhlushko-mlnx <vadymh@nvidia.com>

device/mellanox/x86_64-mlnx_msn2700-r0/pmon_daemon_control.json

@@ -1,7 +1,7 @@
 {
     "skip_ledd": true,
     "skip_fancontrol": true,
-    "delay_xcvrd": true,
+    "delay_xcvrd": false,
     "skip_xcvrd_cmis_mgr": true
 }
 

files/build_templates/init_cfg.json.j2

@@ -36,7 +36,7 @@
 {%- set features = [("bgp", "{% if not DEVICE_RUNTIME_METADATA['ETHERNET_PORTS_PRESENT'] or ('CHASSIS_METADATA' in DEVICE_RUNTIME_METADATA and DEVICE_RUNTIME_METADATA['CHASSIS_METADATA']['module_type'] in ['supervisor']) %}disabled{% else %}enabled{% endif %}", false, "enabled"),
                    ("database", "always_enabled", false, "always_enabled"),
                    ("lldp", "enabled", true, "enabled"),
-                   ("pmon", "enabled", true, "enabled"),
+                   ("pmon", "enabled", false, "enabled"),
                    ("snmp", "enabled", true, "enabled"),
                    ("eventd", "enabled", false, "enabled"),
                    ("swss", "enabled", false, "enabled"),

files/build_templates/pmon.service.j2

@@ -11,6 +11,9 @@ Before=ntp-config.service
 StartLimitIntervalSec=1200
 StartLimitBurst=3
 
+[Install]
+WantedBy=sonic.target
+
 [Service]
 User={{ sonicadmin_user }}
 ExecStartPre=/usr/bin/{{docker_container_name}}.sh start

files/scripts/syncd.sh

@@ -92,18 +92,9 @@ function waitplatform() {
 
     BOOT_TYPE=`getBootType`
     if [[ x"$sonic_asic_platform" == x"mellanox" ]]; then
-        if [[ x"$BOOT_TYPE" = @(x"fast"|x"warm"|x"fastfast") ]]; then
-            PMON_TIMER_STATUS=$(systemctl is-active pmon.timer)
-            if [[ x"$PMON_TIMER_STATUS" = x"inactive" ]]; then
-                systemctl start pmon.timer
-            else
-                debug "PMON service is delayed by a timer for better fast/warm boot performance"
-            fi
-        else
-            debug "Starting pmon service..."
-            /bin/systemctl start pmon
-            debug "Started pmon service"
-        fi
+        debug "Starting pmon service..."
+        /bin/systemctl start pmon
+        debug "Started pmon service"
     fi
 }