Add changes for ntp 4.2.8p18 #4016

Job	Run time
build library (--disable-asm --enable-experimental --enable-kyber=yes,original --enable-lms --ena...	38s
build library (--enable-intelasm --enable-sp-asm --enable-all-crypto --enable-experimental --enab...	55s
build library (--enable-intelasm --enable-sp-asm)	37s
build library (--disable-asm)	34s
build library (--enable-intelasm --enable-sp-asm --enable-experimental --enable-kyber=yes,origina...	31s
build library (--disable-asm --enable-all-crypto --enable-experimental --enable-kyber=yes,origina...	44s
	3m 59s

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