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: 1373.93
- Reference cycles: 1035.2
- UOPS_EXECUTED.THREAD: 20.8
- RETIRE_SLOTS: 23.05
- UOPS_MITE: 0.03
- UOPS_MS: 23.0
- UOPS_PORT_0: 3.97
- UOPS_PORT_1: 7.02
- UOPS_PORT_6: 6.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- UOPS_PORT_5B: 5.2
- UOPS_PORT_5B>=2: 0.0
- UOPS_PORT_23A: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.07

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: 1348.07
- Reference cycles: 1011.2
- UOPS_EXECUTED.THREAD: 21.0
- RETIRE_SLOTS: 24.0
- UOPS_MITE: 1.2
- UOPS_MS: 22.1
- UOPS_PORT_0: 4.9
- UOPS_PORT_1: 7.0
- UOPS_PORT_6: 6.0
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- UOPS_PORT_5B: 4.3
- UOPS_PORT_5B>=2: 0.0
- UOPS_PORT_23A: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.3

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: 1375.22
- Reference cycles: 1033.6
- UOPS_EXECUTED.THREAD: 22.17
- RETIRE_SLOTS: 27.2
- UOPS_MITE: -1.49
- UOPS_MS: 6.0
- UOPS_PORT_0: 3.33
- UOPS_PORT_1: 6.98
- UOPS_PORT_6: 6.2
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- UOPS_PORT_5B: 6.7
- UOPS_PORT_5B>=2: 0.8
- UOPS_PORT_23A: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.0