rx_ifからframeworkに名前変更

diff --git a/trx305/rx_if.c b/trx305/framework.c
similarity index 100%
rename from trx305/rx_if.c
rename to trx305/framework.c

diff --git a/trx305/rx_if.cfg b/trx305/framework.cfg
similarity index 100%
rename from trx305/rx_if.cfg
rename to trx305/framework.cfg

diff --git a/trx305/rx_if.h b/trx305/framework.h
similarity index 100%
rename from trx305/rx_if.h
rename to trx305/framework.h