apply patch from gentoo because there's no libstdc++.a libsupc++.a or
their nano versions
this matches upstream arm more
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
-lc_nano is used in nano.specs but 'libc_nano.a' is not installed without these changes
These packages should in theory work with our GCC toolchains, but
there are some definite breakages that need to be tracked down.
Comparing output of these to old gcc-arm-embedded is important.
Affected packages include:
- axolooti
- avrdudess
- opentx
- microscheme
- betaflight
- inav
- blackmagic
- simavr
- gnuk