hal: spk_prot: add custom support to trigger v-validation

For v-validation thread can be invoked as part
of set param call.
Two setparams are required to be set :
    1. "fbsp_v_vali_wait_time=xxx;fbsp_v_vali_vali_time=xxx;"
       - to config v-vali params wait time(100 to 1000ms),
         validation time (1000 to 3000ms).
    2. "trigger_v_vali" to true - to start v-validation

Change-Id: I16ccc132242a21948beeceb0382c15ef88c0b431