[dsmr] Fix electricity channels in items example (#5627)
[dsmr] Fix electricity channels in items example (#5627)

Signed-off-by: Jacques Mulders <780b9acb2258ba493c459ec688d145617fc412a9@gmail.com>
theoweiss/openhab2,Snickermicker/openhab2,Snickermicker/openhab2,theoweiss/openhab2,theoweiss/openhab2,Snickermicker/openhab2,Snickermicker/openhab2,theoweiss/openhab2