WRS: printing logs to vuart causes delays in handling minipc requests

disable logs for softpll ptracker like:

softpll: ptracker0: enabled 1 n_avg 512 value 16167
softpll: ptracker1: enabled 1 n_avg 512 value 6090
softpll: ptracker2: enabled 1 n_avg 512 value 927
softpll: ptracker3: enabled 1 n_avg 512 value 697
softpll: ptracker4: enabled 1 n_avg 512 value 203
softpll: ptracker5: enabled 1 n_avg 512 value 559
softpll: ptracker6: enabled 1 n_avg 512 value 354
softpll: ptracker7: enabled 1 n_avg 512 value 1057
softpll: ptracker8: enabled 1 n_avg 512 value 928
softpll: ptracker9: enabled 1 n_avg 512 value 210
softpll: ptracker10: enabled 1 n_avg 512 value 16338
softpll: ptracker11: enabled 1 n_avg 512 value 1283
softpll: ptracker12: enabled 0 n_avg 512 value 0
softpll: ptracker13: enabled 0 n_avg 512 value 0
softpll: ptracker14: enabled 0 n_avg 512 value 0
softpll: ptracker15: enabled 0 n_avg 512 value 0
softpll: ptracker16: enabled 0 n_avg 512 value 0
softpll: ptracker17: enabled 0 n_avg 512 value 0
softpll: mode:1 seq:ready n_ref 18 n_out 1