Adding a .travis.yml file.
Adding a .travis.yml file.

litex-hub/litex-conda-eda,SymbiFlow/conda-packages,timvideos/conda-misoc-lm32,litex-hub/litex-conda-prog,timvideos/conda-hdmi2usb-packages,SymbiFlow/conda-packages,litex-hub/litex-conda-compilers,timvideos/conda-hdmi2usb-packages,timvideos/conda-misoc-lm32