mesh11sd: Release v1.2.0

mesh11sd: Release v1.2.0

Maintainer: Rob White rob@blue-wave.net
Compile tested: All
Run tested: arm_cortex-a7_neon-vfpv4, mipsel_24kc, x86-64, on 21.02, 22.03 and snapshot.

Description:
  * This version adds new functionality.
  * Update README.md
  * Add - Traffic volume, Peers and stations to status output [bluewavenet]
  * Add - limit up-checks to mesh interfaces only [bluewavenet]

 -- Rob White <dot@blue-wave.net>  Mon, 08 Aug 2022 13:40:31 +0000

Signed-off-by: Rob White <rob@blue-wave.net>
(cherry picked from commit 290ed82bd8b8b2d4153721aa073456d5089da73b)