USB: at91_udc: include linux/prefetch.h explicitly
USB: at91_udc: include linux/prefetch.h explicitly

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <9fc55922e47e21cb004bb878f69efa10ab51cf02@jcrosoft.com>
Cc: Nicolas Ferre <45b517be0e5ec6dc3a39715767c1d18e090d39b4@atmel.com>
Cc: Patrice Vilchez <f5b3e117f41d6e8976e1c299797145eefefef082@atmel.com>
Cc: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@suse.de>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@suse.de>

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