1.remove redundant headfile in kernel, such as:
compiler.h;debug.h;automount.h;inode.h;syslog.h;net.h;
2.split fs.h to file.h and driver.h
3.move vnode.h and path_cache.h to vfs/include
4.remove redundant interface and defines
close: #I3RTNR
Signed-off-by: mucor <mucorwang@gmail.com>
Description:Delete VM to support only kernel mode.
Sig:liteos_a
Feature or Bugfix:Feature
Binary Source:No
Change-Id: Ie1029c8fbc0c1b85c138663933118d2d148b7769