[U-Boot] V2 of OMAP3 USB device Support

[y at windriver.com]

The technical change is better handling of address setting on the
usb handshaking setup phase. 

Other changes from Jean's comments

2/8 USB add macros for debugging usb device setup.

static inline function replacing debug macros

3/8 TWL4030 Add usb PHY support

add empty lines between variables and statements
other empty lines added for readablity

4/8 OMAP3 Add usb device support

80+ char lines reduced
Used MUSB_FLAGS_PRINT macro suggestion
lowercased function names
multi-lined ep0_state_enum
Used suggestion on udelay to 1000 * 1000 
add empty lines between variables and statements
inverted check of ep0_urb->device_request.wLength
other empty lines added for readablity

5/8 OMAP3 zoom1 Add usbtty configuration

This was ack-ed by Jean

6/8 OMAP3 beagle Add usbtty configuration

This was ack-ed by Jean

8/8 OMAP3 zoom2 Use usbtty if the debug board

cleanup using usbtty_* functions or their stubs without #define's