Add Waveshare 1.47in to st7789v (documentation for esphome PR#5884) (#3440)

components/display/st7789v.rst

@@ -72,6 +72,7 @@ If you do specify them they will override any default.
   - ``Adafruit RR 280x240`` (round-rectangular display -- some pixels are "deleted" from corners to form rounded shape)
   - ``Adafruit S2 TFT FEATHER 240X135``
   - ``LILYGO T-Embed 170X320``
+  - ``Waveshare 1.47in 172X320`` (round-rectangular display -- some pixels are "deleted" from corners to form rounded shape)
   - ``Custom`` For other displays not listed above
 
 - **height** (**Required**, int): Sets height of display in pixels. Defaults depends ``model``.
@@ -177,6 +178,16 @@ Items marked RQ are hardware dependent but required and not preset. Items marked
      - 46
      - 12
      - 11
+   * - Waveshare 1.47in 172X320
+     - 320/172
+     - 34/0
+     - 21
+     - 22
+     - 23
+     - 4
+     - 
+     - 18
+     - 19
    * - Custom
      - RQ
      - RQ