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: 6160.05
- Reference cycles: 5472.95
- UOPS_EXECUTED.THREAD: 11108.65
- RETIRE_SLOTS: 11045.0
- UOPS_MITE: 0.0
- UOPS_MS: 11215.75
- UOPS_PORT_0: 2391.6
- UOPS_PORT_1: 2328.63
- UOPS_PORT_2: 765.95
- UOPS_PORT_3: 766.95
- UOPS_PORT_4: 17.9
- UOPS_PORT_5: 2294.77
- UOPS_PORT_6: 2534.47
- UOPS_PORT_7: 10.1
- 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: 6159.43
- Reference cycles: 5475.17
- UOPS_EXECUTED.THREAD: 11109.33
- RETIRE_SLOTS: 11046.0
- UOPS_MITE: 1.0
- UOPS_MS: 11215.63
- UOPS_PORT_0: 2387.4
- UOPS_PORT_1: 2328.57
- UOPS_PORT_2: 765.98
- UOPS_PORT_3: 766.95
- UOPS_PORT_4: 17.9
- UOPS_PORT_5: 2298.48
- UOPS_PORT_6: 2534.07
- UOPS_PORT_7: 10.07
- 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: 6161.4
- Reference cycles: 5477.38
- UOPS_EXECUTED.THREAD: 11109.97
- RETIRE_SLOTS: 11046.0
- UOPS_MITE: 1.0
- UOPS_MS: 11215.4
- UOPS_PORT_0: 2387.02
- UOPS_PORT_1: 2328.27
- UOPS_PORT_2: 765.98
- UOPS_PORT_3: 766.95
- UOPS_PORT_4: 17.87
- UOPS_PORT_5: 2298.1
- UOPS_PORT_6: 2535.3
- UOPS_PORT_7: 10.07
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0