chnage the defination of spin_lock_t

one on core cpu, spin_lock just disable irq

Signed-off-by: Min Le <min.le@intel.com>
fix some issue to let the system can run with lmfs

os can run two user space process, and print some logs
to the uart. next step to clean the code, and let the
logic of lmfs more clearly

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