Add structs defined in linux/input.h

ci/docker/i686-unknown-linux-musl/Dockerfile

ci/docker/x86_64-unknown-linux-musl/Dockerfile

libc-test/build.rs

src/unix/notbsd/linux/mips/mips32.rs

src/unix/notbsd/linux/mips/mips64.rs

src/unix/notbsd/linux/mod.rs

src/unix/notbsd/linux/musl/b32/mod.rs

src/unix/notbsd/linux/musl/b64/aarch64.rs

src/unix/notbsd/linux/musl/b64/powerpc64.rs

src/unix/notbsd/linux/musl/b64/x86_64.rs

src/unix/notbsd/linux/other/b32/mod.rs

src/unix/notbsd/linux/other/b64/aarch64.rs

src/unix/notbsd/linux/other/b64/powerpc64.rs

src/unix/notbsd/linux/other/b64/sparc64.rs

src/unix/notbsd/linux/other/b64/x86_64.rs