or1k/gcc-newlib: Trying to fix GCC version check
or1k/gcc-newlib: Trying to fix GCC version check

Use the info from git describe.
litex-hub/litex-conda-eda,timvideos/conda-hdmi2usb-packages,timvideos/conda-hdmi2usb-packages,timvideos/conda-misoc-lm32,litex-hub/litex-conda-prog,SymbiFlow/conda-packages,timvideos/conda-misoc-lm32,SymbiFlow/conda-packages,litex-hub/litex-conda-compilers