please apply 660d2062190db131 to v5.4+

Please consider applying the following upstream patch to stable trees
v5.4 and up

commit 660d2062190db131d2feaf19914e90f868fe285c
Author: Ard Biesheuvel [off-list ref]
Date:   Wed Jan 13 10:11:35 2021 +0100

crypto - shash: reduce minimum alignment of shash_desc structure

On architectures such as arm64, it reduces the worst case memory
footprint of a SHASH_DESC_ON_STACK() allocation (which reserves space
for two struct shash_desc instances) by ~350 bytes.