[mihome] documentation: update firmware after enabling developer mode (#5465)
[mihome] documentation: update firmware after enabling developer mode (#5465)

* update firmware after enabling developer mode

Suggest updating gateway firmware after enabling developer mode based on the comments in this post: https://community.openhab.org/t/solved-openhab2-xiaomi-mi-gateway-does-not-respond/52963/193

Signed-off-by: John Schmitz <d25ea958c60dc3dcc5ecdd3bc82785b5977977c4@gmail.com>
theoweiss/openhab2,theoweiss/openhab2,theoweiss/openhab2,Snickermicker/openhab2,theoweiss/openhab2,Snickermicker/openhab2,Snickermicker/openhab2,Snickermicker/openhab2