boards/esp32_wrover_kit: documentation improvement
boards/esp32_wrover_kit: documentation improvement

cladmi/RIOT,rfuentess/RIOT,aeneby/RIOT,RIOT-OS/RIOT,ant9000/RIOT,authmillenon/RIOT,rfuentess/RIOT,x3ro/RIOT,mtausig/RIOT,yogo1212/RIOT,basilfx/RIOT,cladmi/RIOT,miri64/RIOT,authmillenon/RIOT,RIOT-OS/RIOT,OlegHahm/RIOT,yogo1212/RIOT,mtausig/RIOT,yogo1212/RIOT,kYc0o/RIOT,cladmi/RIOT,josephnoir/RIOT,kaspar030/RIOT,basilfx/RIOT,RIOT-OS/RIOT,ant9000/RIOT,josephnoir/RIOT,jasonatran/RIOT,OTAkeys/RIOT,mfrey/RIOT,miri64/RIOT,miri64/RIOT,aeneby/RIOT,OlegHahm/RIOT,OlegHahm/RIOT,aeneby/RIOT,kYc0o/RIOT,aeneby/RIOT,mfrey/RIOT,kYc0o/RIOT,toonst/RIOT,josephnoir/RIOT,mfrey/RIOT,OlegHahm/RIOT,x3ro/RIOT,authmillenon/RIOT,OTAkeys/RIOT,OTAkeys/RIOT,kaspar030/RIOT,jasonatran/RIOT,cladmi/RIOT,x3ro/RIOT,cladmi/RIOT,mfrey/RIOT,josephnoir/RIOT,OTAkeys/RIOT,josephnoir/RIOT,smlng/RIOT,kYc0o/RIOT,toonst/RIOT,smlng/RIOT,kYc0o/RIOT,yogo1212/RIOT,smlng/RIOT,authmillenon/RIOT,rfuentess/RIOT,smlng/RIOT,smlng/RIOT,jasonatran/RIOT,miri64/RIOT,OTAkeys/RIOT,RIOT-OS/RIOT,ant9000/RIOT,ant9000/RIOT,mtausig/RIOT,kaspar030/RIOT,basilfx/RIOT,basilfx/RIOT,x3ro/RIOT,OlegHahm/RIOT,authmillenon/RIOT,yogo1212/RIOT,jasonatran/RIOT,mtausig/RIOT,kaspar030/RIOT,rfuentess/RIOT,toonst/RIOT,toonst/RIOT,jasonatran/RIOT,mfrey/RIOT,miri64/RIOT,aeneby/RIOT,x3ro/RIOT,yogo1212/RIOT,kaspar030/RIOT,RIOT-OS/RIOT,ant9000/RIOT,toonst/RIOT,basilfx/RIOT,mtausig/RIOT,rfuentess/RIOT,authmillenon/RIOT