Add three new Elecrow ESP32 Display devices

[benlye]

Adding configs for these three displays.

• https://www.elecrow.com/esp-terminal-with-esp32-3-5-inch-parallel-480x320-tft-capacitive-touch-display-rgb-by-chip-ili9488.html
• https://www.elecrow.com/esp32-display-5-inch-hmi-display-rgb-tft-lcd-touch-screen-support-lvgl.html
• https://www.elecrow.com/esp32-display-7-inch-hmi-display-rgb-tft-lcd-touch-screen-support-lvgl.html

[tobozo]

thanks for sharing :+1: