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: 5720.27
- Reference cycles: 4499.37
- UOPS_EXECUTED.THREAD: 8459.15
- RETIRE_SLOTS: 8416.0
- UOPS_MITE: 0.0
- UOPS_MS: 8534.82
- UOPS_PORT_0: 1812.05
- UOPS_PORT_1: 1783.67
- UOPS_PORT_2: 581.83
- UOPS_PORT_3: 580.05
- UOPS_PORT_4: 17.0
- UOPS_PORT_5: 1743.63
- UOPS_PORT_6: 1929.9
- UOPS_PORT_7: 11.85
- 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: 5718.8
- Reference cycles: 4496.8
- UOPS_EXECUTED.THREAD: 8459.05
- RETIRE_SLOTS: 8417.0
- UOPS_MITE: 1.0
- UOPS_MS: 8534.78
- UOPS_PORT_0: 1812.05
- UOPS_PORT_1: 1783.38
- UOPS_PORT_2: 581.73
- UOPS_PORT_3: 580.22
- UOPS_PORT_4: 17.0
- UOPS_PORT_5: 1743.25
- UOPS_PORT_6: 1929.55
- UOPS_PORT_7: 11.82
- 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: 5717.48
- Reference cycles: 4499.37
- UOPS_EXECUTED.THREAD: 8460.05
- RETIRE_SLOTS: 8417.0
- UOPS_MITE: 1.0
- UOPS_MS: 8534.3
- UOPS_PORT_0: 1811.13
- UOPS_PORT_1: 1782.2
- UOPS_PORT_2: 581.8
- UOPS_PORT_3: 580.07
- UOPS_PORT_4: 17.0
- UOPS_PORT_5: 1744.12
- UOPS_PORT_6: 1931.22
- UOPS_PORT_7: 11.87
- DIV_CYCLES: 0.0
- ILD_STALL.LCP: 0.0
- UOPS_MITE>=1: 1.0