RDSEED (R64) - Throughput and Uops

With 1 independent instruction

With unroll_count=10 and no inner loop

Code:
```
   0:	49 0f c7 f8          	rdseed r8
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 1548.67
- Reference cycles: 511.5
- UOPS_EXECUTED.THREAD: 58.37
- RETIRE_SLOTS: 55.62
- UOPS_MITE: 0.32
- UOPS_MS: 64.1
- UOPS_PORT_0: 7.62
- UOPS_PORT_1: 19.42
- UOPS_PORT_5: 11.1
- UOPS_PORT_6: 19.33
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0

With unroll_count=10, no inner loop, and 1 NOP

Code:

   0:	49 0f c7 f8          	rdseed r8
   4:	90                   	nop

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 1548.78
- Reference cycles: 512.53
- UOPS_EXECUTED.THREAD: 58.35
- RETIRE_SLOTS: 57.2
- UOPS_MITE: 0.9
- UOPS_MS: 64.1
- UOPS_PORT_0: 7.5
- UOPS_PORT_1: 19.6
- UOPS_PORT_5: 10.9
- UOPS_PORT_6: 19.13
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=10 and unroll_count=1

Code:
```
   0:	49 0f c7 f8          	rdseed r8
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 1548.98
- Reference cycles: 512.53
- UOPS_EXECUTED.THREAD: 60.4
- RETIRE_SLOTS: 57.78
- UOPS_MITE: 1.83
- UOPS_MS: 64.1
- UOPS_PORT_0: 7.67
- UOPS_PORT_1: 20.33
- UOPS_PORT_5: 11.1
- UOPS_PORT_6: 20.27
- UOPS_PORT_23: 0.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0