make docker build more quiet
make docker build more quiet

chriz2600/DreamcastHDMI,chriz2600/DreamcastHDMI,chriz2600/DreamcastHDMI,chriz2600/DreamcastHDMI,chriz2600/DreamcastHDMI,chriz2600/DreamcastHDMI,chriz2600/DreamcastHDMI,chriz2600/DreamcastHDMI