RFE: Consider adding support in your builds for gcc-ia16

[lpsantil]

Recently [0], FreeDOS accepted some patches from Bart Oldeman to compile the FDKernel using gcc-ia16 [1][2]. So far, I'm only aware of people building this stuff as cross compilers of which you're particularly knowledgeable.

[0] PerditionC/fdkernel#25
[1] https://github.com/tkchia/gcc-ia16
[2] https://github.com/tkchia/build-ia16