RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ f4abcef96f9dd52a3a2355e37eeee810029f295f

tyustli f4abcef96f [add] utest kernel mutex_tc.c file		%!s(int64=4) %!d(string=hai) anos
..
drivers	312753686b [testcase] 增加serial_v2的测试用例	%!s(int64=4) %!d(string=hai) anos
kernel	f4abcef96f [add] utest kernel mutex_tc.c file	%!s(int64=4) %!d(string=hai) anos
utest	2c119a5c48 add memheap testcase for ac6 Oz optimization.	%!s(int64=4) %!d(string=hai) anos
Kconfig	312753686b [testcase] 增加serial_v2的测试用例	%!s(int64=4) %!d(string=hai) anos
SConscript	3906f3b948 [add] auto test ci.	%!s(int64=4) %!d(string=hai) anos