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: 6138.6
- Reference cycles: 5453.0
- UOPS_EXECUTED.THREAD: 11095.53
- RETIRE_SLOTS: 11046.0
- UOPS_MITE: 0.0
- UOPS_MS: 11189.27
- UOPS_PORT_0: 2381.42
- UOPS_PORT_1: 2332.32
- UOPS_PORT_2: 764.05
- UOPS_PORT_3: 764.95
- UOPS_PORT_4: 14.98
- UOPS_PORT_5: 2293.3
- UOPS_PORT_6: 2533.23
- UOPS_PORT_7: 9.93
- 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: 6141.13
- Reference cycles: 5457.43
- UOPS_EXECUTED.THREAD: 11096.32
- RETIRE_SLOTS: 11047.0
- UOPS_MITE: 1.0
- UOPS_MS: 11189.25
- UOPS_PORT_0: 2383.02
- UOPS_PORT_1: 2332.85
- UOPS_PORT_2: 763.97
- UOPS_PORT_3: 765.12
- UOPS_PORT_4: 14.87
- UOPS_PORT_5: 2293.72
- UOPS_PORT_6: 2532.93
- UOPS_PORT_7: 9.93
- 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: 6138.25
- Reference cycles: 5453.0
- UOPS_EXECUTED.THREAD: 11097.2
- RETIRE_SLOTS: 11047.0
- UOPS_MITE: 1.0
- UOPS_MS: 11189.25
- UOPS_PORT_0: 2383.87
- UOPS_PORT_1: 2334.02
- UOPS_PORT_2: 763.95
- UOPS_PORT_3: 765.15
- UOPS_PORT_4: 14.97
- UOPS_PORT_5: 2293.53
- UOPS_PORT_6: 2532.03
- UOPS_PORT_7: 9.93
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0