build.plat: NMIGEN_<toolchain>_env→NMIGEN_ENV_<toolchain>
authorwhitequark <cz@m-labs.hk>
Sat, 21 Sep 2019 12:23:53 +0000 (12:23 +0000)
committerwhitequark <cz@m-labs.hk>
Sat, 21 Sep 2019 12:23:53 +0000 (12:23 +0000)
commit7040727012d1cce706dde27deec36f0f90489c3b
tree54c57076958a4bca56b023f107d101a6ca210d10
parenta0d343fde0032ea24b6886dffc5c2cec153285dd
build.plat: NMIGEN_<toolchain>_env→NMIGEN_ENV_<toolchain>

This is more consistent with other environment variables nMigen uses.
nmigen/build/plat.py
nmigen/vendor/lattice_ecp5.py
nmigen/vendor/lattice_ice40.py
nmigen/vendor/xilinx_7series.py
nmigen/vendor/xilinx_spartan_3_6.py