add W5500 configuration to device profiles

Related to hoylabs/OpenDTU-OnBattery#1231

docs/firmware/device_profiles.md

@@ -211,6 +211,12 @@ assumed that you know what you are doing.
 | eth.mdio        | number    | Serial Management Interface MDIO Pin. Use -1 for not assigned pins. |
 | eth.type        | number    | Possible values:<ul><li>0 = ETH_PHY_LAN8720</li><li>1 = ETH_PHY_TLK110</li><li>2 = ETH_PHY_RTL8201</li><li>3 = ETH_PHY_DP83848</li><li>4 = ETH_PHY_DM9051</li><li>5 = ETH_PHY_KSZ8041</li><li>6 = ETH_PHY_KSZ8081</li></ul> |
 | eth.clk_mode    | number    | Possible values:<ul><li>0 = ETH_CLOCK_GPIO0_IN</li><li>1 = ETH_CLOCK_GPIO0_OUT</li><li>2 = ETH_CLOCK_GPIO16_OUT</li><li>3 = ETH_CLOCK_GPIO17_OUT</li></ul> |
+| w5500.sclk      | number    | W5500 SPI Clock Pin |
+| w5500.mosi      | number    | W5500 MOSI Pin |
+| w5500.miso      | number    | W5500 MISO Pin |
+| w5500.cs        | number    | W5500 Chip Select Pin |
+| w5500.int       | number    | W5500 Interrupt Pin |
+| w5500.rst       | number    | W5500 Reset Pin |
 | display.type    | number    | Specify type of display. Possible values:<ul><li>0 = None (default)</li><li>1 = PCD8544</li><li>2 = SSD1306</li><li>3 = SH1106</li><li>4 = SSD1309</li><li>5 = ST7567S GM12864-59N</li></ul> |
 | display.data    | number    | Data Pin (e.g. SDA for i2c displays) required for all displays. Use 255 for not assigned pins. |
 | display.clk     | number    | Clock Pin (e.g. SCL for i2c displays) required for SSD1306 and SH1106. Use 255 for not assigned pins. |