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: 905.77
- Reference cycles: 627.13
- UOPS_EXECUTED.THREAD: 12.0
- RETIRE_SLOTS: 14.0
- UOPS_MITE: 0.0
- UOPS_MS: 14.0
- UOPS_PORT_0: 2.4
- UOPS_PORT_1: 3.1
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 1.8
- UOPS_PORT_6: 3.2
- UOPS_PORT_7: 0.0
- 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:	41 0f c7 f0          	rdrand r8d
   4:	90                   	nop

Show nanoBench command
Results:
- Instructions retired: 2.0
- Core cycles: 905.73
- Reference cycles: 631.73
- UOPS_EXECUTED.THREAD: 12.0
- RETIRE_SLOTS: 15.0
- UOPS_MITE: 1.0
- UOPS_MS: 14.0
- UOPS_PORT_0: 2.6
- UOPS_PORT_1: 3.1
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 1.4
- UOPS_PORT_6: 3.4
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0

With loop_count=10 and unroll_count=1

Code:
```
   0:	41 0f c7 f0          	rdrand r8d
```
Show nanoBench command
Results:
- Instructions retired: 3.0
- Core cycles: 908.63
- Reference cycles: 633.27
- UOPS_EXECUTED.THREAD: 13.0
- RETIRE_SLOTS: 16.07
- UOPS_MITE: 0.73
- UOPS_MS: 14.0
- UOPS_PORT_0: 2.2
- UOPS_PORT_1: 3.17
- UOPS_PORT_2: 0.5
- UOPS_PORT_3: 0.5
- UOPS_PORT_4: 0.0
- UOPS_PORT_5: 1.5
- UOPS_PORT_6: 4.65
- UOPS_PORT_7: 0.0
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 0.6