uboot-imx

efi_loader: use library memcpy() in helloworld.efi

Helloworld does not need its own memcpy() implementation anymore. Use the
one provided in efi_freestanding.c.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>