Update model files

Request from K.Tanaka-san
[K1EX1, K1EY1, K1IX1, K1IY1]
model: k1sendbeacon, k1sendbeaconey, k1sendbeaconix, k1sendbeaconiy

変更点
・BEACON_LIB/BEACON_SENDER
　・LOMONへの入力をOSCのCLKからSINへ変更
　・COILOUTFへの入力の前にOSCのCOSを入力としてPHASEを追加
・k1sendbeacon
　・BEACON_SENDERを使用するように変更

---
Update model files

Request from K.Tanaka-san
[K1EX1, K1EY1, K1IX1, K1IY1]
model: k1sendbeacon, k1sendbeaconey, k1sendbeaconix, k1sendbeaconiy

Modifications
BEACON_LIB/BEACON_SENDER
　Input to LOMON was changed from CLK of OSC to SIN.
　Added PHASE as an input to COS of OSC before input to COILOUTF.
k1sendbeacon
　Replaced with BEACON_SENDER.