Jon Chronopoulos authored Aug 11, 2019 and Brad King committed Aug 20, 2019

The previous code did not count the number of virtual processors across
physical processors on SunOS.

Can handle the following situations:

```
$ uname -a
SunOS solaris 5.11 11.4.0.15.0 i86pc i386 i86pc
$ psrinfo -p -v
The physical processor has 1 virtual processor (0)
  x86 (GenuineIntel 306D2 family 6 model 61 step 2 clock 3492 MHz)
        Intel Core Processor (Broadwell)
The physical processor has 1 virtual processor (1)
  x86 (GenuineIntel 306D2 family 6 model 61 step 2 clock 3492 MHz)
        Intel Core Processor (Broadwell)
The physical processor has 1 virtual processor (2)
  x86 (GenuineIntel 306D2 family 6 model 61 step 2 clock 3492 MHz)
        Intel Core Processor (Broadwell)
The physical processor has 1 virtual processor (3)
  x86 (GenuineIntel 306D2 family 6 model 61 step 2 clock 3492 MHz)
        Intel Core Processor (Broadwell)
```

```
$ uname -a
SunOS sol11x86 5.11 11.0 i86pc i386 i86pc
$ psrinfo -p -v
The physical processor has 2 vi...