Add support for ST7789V display module (as on TTGO T-Display) (#1050)

* TFT-LCD ST7789V of ESP32 TTGO.

This patch allows you to use TFT-LCD ST7789V of ESP32 TTGO

* Lots of polish and a few tweaks

* Add test

* Add color to core, take 1

* Where did those tabs come from?

* Fix lines too long

* Added color component

* Linted

* Rebase, SPI fix, test

* Shuffle bits

* One more thing...oops

* Image type fix...oops

* Make display_buffer use Color

* Fix BGR/RGB, remove predefined colors

* Fix all the things

* renamed colors to color

* migrate max7219

Co-authored-by: musk95 <musk95@naver.com>
Co-authored-by: Guillermo Ruffino <glm.net@gmail.com>

tests/test1.yaml

@@ -1507,6 +1507,16 @@ interval:
 
             id(btn_left)->set_threshold(btn_left_state * 0.9);
 
+color:
+  - id: kbx_red
+    red: 100%
+    green: 1%
+    blue: 2%
+  - id: kbx_blue
+    red: 0%
+    green: 1%
+    blue: 100%
+
 display:
 - platform: lcd_gpio
   dimensions: 18x4
@@ -1591,6 +1601,13 @@ display:
   full_update_every: 30
   lambda: |-
     it.rectangle(0, 0, it.get_width(), it.get_height());
+- platform: st7789v
+  cs_pin: GPIO5
+  dc_pin: GPIO16
+  reset_pin: GPIO23
+  backlight_pin: GPIO4
+  lambda: |-
+    it.rectangle(0, 0, it.get_width(), it.get_height());
 
 tm1651:
   id: tm1651_battery