8ef0c57f2b
1. add new shell command: reg_ape to print the timer task info; 2. update the function of osp_timer_sync; 3. add new testcase of case1 to test the timer(t_offset < 10) 4. Test: 4.1 spu_case0_arm_case0: Pass; 4.2 spu_case1_arm_case20: Pass; 4.3 spu_case14_arm_case20:Pass; 4.4 spu_case20_arm_case20:Pass; 4.5 spu_case24_arm_case24:Pass; 4.6 spu_case34_arm_case5: Pass; 4.7 spu_case44_arm_case5: Pass;