linux/qed: fix spelling typo in qed_chain.h

allocted -> allocated

Signed-off-by: dingsenjie <dingsenjie@yulong.com>
Link: https://lore.kernel.org/r/20210127022801.8028-1-dingsenjie@163.com


Signed-off-by: Jakub Kicinski <kuba@kernel.org>