con: Fix loc property type to array
con: Fix loc property type to array

'loc' property type was changed string to array in OCF Spec.

Signed-off-by: Inho Oh <4e2f54c8dbf3cbb0cc3f6504bbb1d5484d5f42b6@gmail.com>

webispy/ocf_mylight,webispy/ocf_mylight