added ssd1327 support docs (#664)

Co-authored-by: Ilya Goldberg <iggie@mac.com>

components/display/ssd1325.rst

@@ -1,8 +1,8 @@
-SSD1325 OLED Display
-====================
+SSD1325/7 OLED Display
+======================
 
 .. seo::
-    :description: Instructions for setting up SSD1325 OLED display drivers.
+    :description: Instructions for setting up SSD1325/7 OLED display drivers.
     :image: ssd1325.jpg
 
 .. _ssd1325-spi:
@@ -12,7 +12,8 @@ Usage
 
 The ``ssd1325_spi`` display platform allows you to use
 SSD1325 (`datasheet <https://cdn-shop.adafruit.com/datasheets/SSD1325.pdf>`__,
-`Adafruit <https://www.adafruit.com/product/2674>`__)
+`Adafruit <https://www.adafruit.com/product/2674>`__) and SSD1327 (`datasheet <https://www.waveshare.com/w/upload/a/ac/SSD1327-datasheet.pdf>`__,
+`Waveshare <https://www.waveshare.com/1.5inch-oled-module.htm>`__)
 displays with ESPHome. Note that this component is for displays that are connected via the 4-Wire :ref:`SPI bus <spi>`.
 
 .. figure:: images/ssd1325-full.jpg
@@ -51,13 +52,13 @@ Configuration Variables
 
   - ``SSD1325 128x32`` (SSD1325 with 128 columns and 32 rows)
   - ``SSD1325 128x64``
+  - ``SSD1327 128x128`` (note SSD1327 instead of SSD1325)
   - ``SSD1325 96x16``
   - ``SSD1325 64x48``
   - ``SSD1327 128x128`` **# Note the number seven!**
 
 - **reset_pin** (:ref:`Pin Schema <config-pin_schema>`): The RESET pin.
-- **cs_pin** (*Optional*, :ref:`Pin Schema <config-pin_schema>`): The pin on the ESP that that the CS line is connected to.
-  The CS line can be connected to GND if this is the only device on the SPI bus.
+- **cs_pin** (:ref:`Pin Schema <config-pin_schema>`): The CS pin.
 - **dc_pin** (:ref:`Pin Schema <config-pin_schema>`): The DC pin.
 - **lambda** (*Optional*, :ref:`lambda <config-lambda>`): The lambda to use for rendering the content on the display.
   See :ref:`display-engine` for more information.