omap: update plat/usb.h to allow ehci driver to build
omap: update plat/usb.h to allow ehci driver to build

Add missing declarations to allow the recently introduced
ehci-omap driver to build on OMAP3

Signed-off-by: Anand Gadiyar <91e19066a3bfb79f58158f6450f17226f60f5cee@ti.com>
Cc: Felipe Balbi <d79216928cfdb58376b0b00a1a44a75e52dbc84e@nokia.com>
Signed-off-by: Tony Lindgren <1001e8702733cced254345e193c88aaa47a4f5de@atomide.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@suse.de>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas