fix: allow scttempsts probing method for asleep drives

[georgeto]

The smartctl scttempsts probing method works for asleep drives, without waking them up.
Stated here and it matches the observations from my own experiments.

PS:
With smartctl,5 -l devstat /dev/sda there seems to be an additional way to query the driver temperature without waking asleep drives. This command queries the Temperature Statistics log page from the Device Statistics log (see ATA/ATAPI Command Set).

0x05  =====  =               =  ===  == Temperature Statistics (rev 1) ==
0x05  0x008  1              29  ---  Current Temperature
0x05  0x010  1              29  ---  Average Short Term Temperature
0x05  0x018  1               -  ---  Average Long Term Temperature
0x05  0x020  1              41  ---  Highest Temperature
0x05  0x028  1              25  ---  Lowest Temperature
0x05  0x030  1              37  ---  Highest Average Short Term Temperature
0x05  0x038  1              29  ---  Lowest Average Short Term Temperature
0x05  0x040  1               -  ---  Highest Average Long Term Temperature
0x05  0x048  1               -  ---  Lowest Average Long Term Temperature
0x05  0x050  4               0  ---  Time in Over-Temperature
0x05  0x058  1              60  ---  Specified Maximum Operating Temperature
0x05  0x060  4               0  ---  Time in Under-Temperature
0x05  0x068  1               5  ---  Specified Minimum Operating Temperature

[desbma]

Thank you.

I have made a similar change in the v2 branch.