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: 5699.2
- Reference cycles: 4483.97
- UOPS_EXECUTED.THREAD: 8446.0
- RETIRE_SLOTS: 8416.0
- UOPS_MITE: 0.0
- UOPS_MS: 8466.0
- UOPS_PORT_0: 1807.77
- UOPS_PORT_1: 1784.65
- UOPS_PORT_2: 578.9
- UOPS_PORT_3: 580.9
- UOPS_PORT_4: 14.0
- UOPS_PORT_5: 1740.33
- UOPS_PORT_6: 1929.78
- UOPS_PORT_7: 10.0
- 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: 5698.12
- Reference cycles: 4481.4
- UOPS_EXECUTED.THREAD: 8446.0
- RETIRE_SLOTS: 8417.0
- UOPS_MITE: 1.0
- UOPS_MS: 8466.0
- UOPS_PORT_0: 1806.43
- UOPS_PORT_1: 1785.4
- UOPS_PORT_2: 578.9
- UOPS_PORT_3: 580.9
- UOPS_PORT_4: 14.0
- UOPS_PORT_5: 1740.62
- UOPS_PORT_6: 1929.02
- UOPS_PORT_7: 10.0
- 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: 5698.85
- Reference cycles: 4481.4
- UOPS_EXECUTED.THREAD: 8447.0
- RETIRE_SLOTS: 8417.0
- UOPS_MITE: 1.0
- UOPS_MS: 8466.0
- UOPS_PORT_0: 1807.75
- UOPS_PORT_1: 1785.72
- UOPS_PORT_2: 578.9
- UOPS_PORT_3: 580.9
- UOPS_PORT_4: 14.0
- UOPS_PORT_5: 1740.35
- UOPS_PORT_6: 1928.67
- UOPS_PORT_7: 10.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0