init version of Chunos from mirros

Signed-off-by: Le Min <lemin9538@gmail.com>
remove some logs and define some development task

1: a simple filesystem
2: rewrite boot code
3: implement other syscalls

Signed-off-by: Le Min <lemin9538@gmail.com>
fix some compile issue emergence and modify the Makefile

Signed-off-by: Le Min <lemin9538@gmail.com>
add many features and upgrade diet-libc system work on new FS

1: add vfs code to handle fs processing
2: add two new filesystem lmfs and fat, fat is not fully
   implemented just support the basic functions
3: add some new syscall
4: add mmap/mmunmap syscall
5: add host application mklmfs to create lmfs image
6: upate diet-libc from 0.29 to 0.33, using EABI
7: add spinlock

after this commit, next step will implement char device
layer and implement simple tty code, this commit can pass
compilation but did not do must testing

Signed-off-by: Le Min <lemin9538@gmail.com>