Support for pcd8544 (nokia 5110 and 3310) screen (#973)

* First version of working compontent for pc8544 screen

* Fixed lint errors

* Fixed lint errors #2

tests/test1.yaml

@@ -1444,6 +1444,12 @@ display:
   lambda: |-
     it.set_component_value("gauge", 50);
     it.set_component_text("textview", "Hello World!");
+- platform: pcd8544
+  cs_pin: GPIO23
+  dc_pin: GPIO23
+  reset_pin: GPIO23
+  lambda: |-
+    it.rectangle(0, 0, it.get_width(), it.get_height());
 - platform: ssd1306_i2c
   model: "SSD1306_128X64"
   reset_pin: GPIO23