ports-foc: Add l4linux netperf run script

Ref #773
usb: Fix AX88179 receive CRC errors

Call 'set_multicast' and 'link_reset' during card startup. Increase TX skb
buffer allocator.

Ref #773
Implement abstract regulator session interface

Ref #770
Implement cpu frequency scaling for Arndale

* Implements platform driver for Arndale providing Regulator for CPU clock
* Implements a cpu frequency scaling test using the affinity test
* Fixes #770
Extend clock and power units in platform driver

* Add clock and power management for SATA and USB3.0 for Arndale

Fix #771
usb_drv: Use platform drivers and regulator

Ref #773
usb_drv: Dimension queues for usbnet

+ Some code cleanup

Ref #773
base: ARM-FPU 'memcpy_cpu' implementation

Added spec file for ARM-VFPv3 floating-point unit. This shadows
'base/include/arm/' with 'base/include/arm/vfp' and enables a 'memcpy_cpu'
version that mainly uses the FPU. Enabled VFP support for 'foc_arndale'.

Ref #773
usb_drv: Fix performance of  ASIX AX88772

Caused by #773