Since complete at91rm9200 SoC device was droped (due to replacement with
common at91 code) this parameter can safely be removed.
Signed-off-by: Andreas Bießmann <andreas.devel@googlemail.com>
#########################################################################
LIST_at91="$(boards_by_soc at91)\
#########################################################################
LIST_at91="$(boards_by_soc at91)\
- $(boards_by_soc at91rm9200)\
at91sam9260ek \
at91sam9261ek \
at91sam9263ek \
at91sam9260ek \
at91sam9261ek \
at91sam9263ek \