common: enable ha_time in common packages, devices extend it

Move the homeassistant time platform (id ha_time) into all common
packages. Devices with custom triggers now use '!extend ha_time';
plain duplicate time blocks are removed. mcu-lvgl's unused time_comp
is unified to ha_time.

mcu-lvgl.yaml

@@ -158,10 +158,6 @@ text_sensor:
     icon: mdi:clock-start
     internal: True
 
-time:
-  - platform: homeassistant
-    id: time_comp
-
 number:
   - platform: template
     initial_value: 0