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: 619.97
- Reference cycles: 365.33
- UOPS_EXECUTED.THREAD: 21.0
- RETIRE_SLOTS: 23.0
- UOPS_MITE: 0.43
- UOPS_MS: 22.92
- UOPS_PORT_0: 4.0
- UOPS_PORT_1: 7.0
- 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: 0.08

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: 625.9
- Reference cycles: 369.33
- UOPS_EXECUTED.THREAD: 21.4
- RETIRE_SLOTS: 24.0
- UOPS_MITE: 1.5
- UOPS_MS: 22.9
- 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: 1.1

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: 607.83
- Reference cycles: 368.0
- UOPS_EXECUTED.THREAD: 21.6
- RETIRE_SLOTS: 25.07
- UOPS_MITE: 1.13
- UOPS_MS: 16.73
- UOPS_PORT_0: 4.15
- UOPS_PORT_1: 7.0
- UOPS_PORT_6: 6.7
- UOPS_PORT_49: 0.0
- UOPS_PORT_78: 0.0
- UOPS_PORT_5B: 5.5
- UOPS_PORT_5B>=2: 0.3
- UOPS_PORT_23A: 1.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.7