Hwdb adjustments

[kov]

This is basically to adapt the hwdb file that gets generated to requests made by the systemd maintainers. I am also including a commit to add the rlat solutions as we had agreed and I forgot for the initial merge. This is what the hwdb entry for a device looks like:

block:*:name:MZUL2256HCHQ-00AFB:
  IOCOST_SOLUTIONS=isolation isolated-bandwidth bandwidth naive
  IOCOST_MODEL_ISOLATION=rbps=626708081 rseqiops=27119 rrandiops=26638 wbps=138402498 wseqiops=3257 wrandiops=3208
  IOCOST_QOS_ISOLATION=rpct=0.00 rlat=1997 wpct=0.00 wlat=50837 min=100.00 max=100.00
  IOCOST_MODEL_ISOLATED_BANDWIDTH=rbps=997831946 rseqiops=43179 rrandiops=42412 wbps=220361662 wseqiops=5186 wrandiops=5107
  IOCOST_QOS_ISOLATED_BANDWIDTH=rpct=0.00 rlat=2213 wpct=0.00 wlat=61487 min=100.00 max=100.00
  IOCOST_MODEL_BANDWIDTH=rbps=1891663391 rseqiops=81857 rrandiops=80403 wbps=417755805 wseqiops=9832 wrandiops=9682
  IOCOST_QOS_BANDWIDTH=rpct=0.00 rlat=7034 wpct=0.00 wlat=87136 min=100.00 max=100.00
  IOCOST_MODEL_NAIVE=rbps=1891663391 rseqiops=81857 rrandiops=80403 wbps=417755805 wseqiops=9832 wrandiops=9682
  IOCOST_QOS_NAIVE=rpct=99.00 rlat=7034 wpct=99.00 wlat=87136 min=75.00 max=100.00
  IOCOST_MODEL_RLAT_99_Q1=rbps=1891663391 rseqiops=81857 rrandiops=80403 wbps=417755805 wseqiops=9832 wrandiops=9682
  IOCOST_QOS_RLAT_99_Q1=rpct=99.00 rlat=7034 wpct=0.00 wlat=0 min=87.66 max=100.00
  IOCOST_MODEL_RLAT_99_Q2=rbps=1658184837 rseqiops=71754 rrandiops=70479 wbps=366194295 wseqiops=8618 wrandiops=8487
  IOCOST_QOS_RLAT_99_Q2=rpct=99.00 rlat=5775 wpct=0.00 wlat=0 min=85.92 max=100.00
  IOCOST_MODEL_RLAT_99_Q3=rbps=1424706283 rseqiops=61651 rrandiops=60556 wbps=314632785 wseqiops=7405 wrandiops=7292
  IOCOST_QOS_RLAT_99_Q3=rpct=99.00 rlat=4515 wpct=0.00 wlat=0 min=83.61 max=100.00
  IOCOST_MODEL_RLAT_99_Q4=rbps=1191227729 rseqiops=51547 rrandiops=50632 wbps=263071274 wseqiops=6191 wrandiops=6097
  IOCOST_QOS_RLAT_99_Q4=rpct=99.00 rlat=3256 wpct=0.00 wlat=0 min=80.40 max=100.00