toolchain

Update

3.4_kernal

gcc: 7.5.0
uclibc-ng: update to 1.0.38
build with crosstool-ng-1.24.0

4.4_kernal

mipsel-linux-uclibc.tar.xz: gcc-7.4.0
mipsel-linux-uclibc-gcc10.tar.xz: gcc-10.3.0
uclibc-ng: update to 1.0.38
build with crosstool-ng-1.24.0