Cross Reference: /device/linaro/hikey/hifi/xaf/hifi-dpf/core/util

`Name`	`Date`	`Size`
Up to higher level directory
`gdbstub/`	22-Oct-2020
`mutex.c`	22-Oct-2020	`5.5K`
`rbtree.c`	22-Oct-2020	`25.8K`
`tinyvprintf.c`	22-Oct-2020	`7K`