RDRAND (R32) - Throughput and Uops

With 1 independent instruction

With unroll_count=10 and no inner loop

Code:
```
   0:	41 0f c7 f0          	rdrand r8d
```
Show nanoBench command
Results:
- Instructions retired: 1.0
- Core cycles: 7391.15
- Reference cycles: 6390.0
- UOPS_EXECUTED.THREAD: 14407.25
- RETIRE_SLOTS: 14350.0
- UOPS_MITE: 0.0
- UOPS_MS: 14526.07
- UOPS_PORT_0: 3106.58
- UOPS_PORT_1: 3006.88
- UOPS_PORT_2: 996.02
- UOPS_PORT_3: 1000.67
- UOPS_PORT_4: 17.0
- UOPS_PORT_5: 2988.28
- UOPS_PORT_6: 3282.25
- UOPS_PORT_7: 9.67
- 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:	41 0f c7 f0          	rdrand r8d
   4:	90                   	nop

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 7241.72
- Reference cycles: 6220.0
- UOPS_EXECUTED.THREAD: 14407.33
- RETIRE_SLOTS: 14351.0
- UOPS_MITE: 1.0
- UOPS_MS: 14526.65
- UOPS_PORT_0: 3120.62
- UOPS_PORT_1: 3001.5
- UOPS_PORT_2: 996.03
- UOPS_PORT_3: 1000.63
- UOPS_PORT_4: 17.0
- UOPS_PORT_5: 2980.5
- UOPS_PORT_6: 3283.2
- UOPS_PORT_7: 9.67
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=10 and unroll_count=1

Code:
```
   0:	41 0f c7 f0          	rdrand r8d
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 7243.13
- Reference cycles: 6222.5
- UOPS_EXECUTED.THREAD: 14408.08
- RETIRE_SLOTS: 14351.0
- UOPS_MITE: 1.0
- UOPS_MS: 14526.08
- UOPS_PORT_0: 3111.48
- UOPS_PORT_1: 3004.42
- UOPS_PORT_2: 996.05
- UOPS_PORT_3: 1000.6
- UOPS_PORT_4: 17.02
- UOPS_PORT_5: 2982.78
- UOPS_PORT_6: 3283.77
- UOPS_PORT_7: 9.62
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0