avr32/lib: fix unaligned memcpy where len < 4
avr32/lib: fix unaligned memcpy where len < 4

in case of memcpy(p, unaligned, 1..3) we get 1..3 as the
return value instead of p

Signed-off-by: Sebastian Andrzej Siewior <db043b2055cb3a47b2eb0b5aebf4e114a8c24a5a@breakpoint.cc>
Signed-off-by: Haavard Skinnemoen <af8c0cf3411930951fa86926b241df32af99fdb9@atmel.com>

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