mt76: missing 4 fw files in linux-firmware.git repo

[Xose Vazquez Perez <xose.vazquez@xxxxxxxxx>]

Hi,

mediatek/mt76/mt7603/mt7603.h:
#define MT7603_FIRMWARE_E1      "mt7603_e1.bin"
#define MT7603_FIRMWARE_E2      "mt7603_e2.bin"
#define MT7628_FIRMWARE_E1      "mt7628_e1.bin"
#define MT7628_FIRMWARE_E2      "mt7628_e2.bin"

Thanks.