bsc: add TC_ratectr_all_available_allocated and _dyn

Test new rate counters all_allocated:{sdcch,tch,static_sdcch,static_tch}

Related: SYS#4878
Depends: I2fa14531f16d3f07085620f1c50eb839c420da6a (osmo-bsc)
Change-Id: Ib3997a827c9cc43d1361bb0cf3bfab9f6d91bf82
2 files changed