5.7-stable patches

5.7-stable patches

added patches:
	evm-fix-possible-memory-leak-in-evm_calc_hmac_or_hash.patch
	ext4-fix-buffer_head-refcnt-leak-when-ext4_iget-fails.patch
	ext4-fix-error-pointer-dereference.patch
	ext4-fix-ext_max_extent-index-to-check-for-zeroed-eh_max.patch
	ext4-fix-race-between-ext4_sync_parent-and-rename.patch
	ima-call-ima_calc_boot_aggregate-in-ima_eventdigest_init.patch
	ima-directly-assign-the-ima_default_policy-pointer-to-ima_rules.patch
	ima-evaluate-error-in-init_ima.patch
	ima-fix-ima-digest-hash-table-key-calculation.patch
	ima-remove-__init-annotation-from-ima_pcrread.patch
	ima-switch-to-ima_hash_algo-for-boot-aggregate.patch
	mips-cpu_loongson2ef-need-software-to-maintain-cache-consistency.patch
	mm-call-cond_resched-from-deferred_init_memmap.patch
	mm-pagealloc.c-call-touch_nmi_watchdog-on-max-order-boundaries-in-deferred-init.patch