Auto merge of #116565 - Sword-Destiny:master, r=Amanieu

add teeos std impl

add teeos std library implement.

this MR is draft untill the libc update to 0.2.150

this MR is the final step for suppot rust in teeos.
first step(add target): rust-lang/rust#113480
second step(add teeos libc): rust-lang/libc#3333

Author: bors