move libgcc.h to include/linux
authorPalmer Dabbelt <palmer@sifive.com>
Fri, 1 Dec 2017 21:16:15 +0000 (13:16 -0800)
committerPalmer Dabbelt <palmer@sifive.com>
Fri, 1 Dec 2017 21:16:15 +0000 (13:16 -0800)

Trivial merge