[qca-ssdk-shell]Add new API to get all switch ports link

According to STP proxy request, offer one api to
get all ports' link status.

Change-Id: Icc4a7a254c537131298e01ebeebc6ef41b3d65fa
Signed-off-by: Zou Shunxiang <shunxian@codeaurora.org>
6 files changed
tree: 3d21f34100d6547f05d1cb4b97fed9e6f52dff7b
  1. include/
  2. make/
  3. src/
  4. config
  5. Makefile