[U-Boot] [PATCH v2] usb.h: Always declare usb function prototypes

[Marek Vasut]

On Wednesday, June 10, 2015 at 05:04:04 PM, Hans de Goede wrote:
> There is no harm in declaring the function prototypes even if nothing
> implements them, and when CONFIG_DM_USB=y the various usb functions are
> available regardless of any controller drivers being enabled.
> 
> This fixes compile warnings due to missing prototypes on ARCHs where
> the ARCH Kconfig always enables CONFIG_DM_USB and various usb drivers.
> 
> One could argue that in the case of no controllers CONFIG_DM_USB should not
> be set, but this problem is typically seen during bringup of boards which
> do actually have usb controllers.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Applied, thanks!

Best regards,
Marek Vasut