Bugfix: configure: Define defaults for enable_arm_{crc,shani}
Bugfix: configure: Define defaults for enable_arm_{crc,shani}

mruddy/bitcoin,jambolo/bitcoin,Xekyo/bitcoin,sipsorcery/bitcoin,andreaskern/bitcoin,fanquake/bitcoin,jambolo/bitcoin,jamesob/bitcoin,sstone/bitcoin,lateminer/bitcoin,sstone/bitcoin,AkioNak/bitcoin,jambolo/bitcoin,fujicoin/fujicoin,fujicoin/fujicoin,anditto/bitcoin,instagibbs/bitcoin,ajtowns/bitcoin,tecnovert/particl-core,namecoin/namecoin-core,namecoin/namecore,particl/particl-core,bitcoinknots/bitcoin,instagibbs/bitcoin,kallewoof/bitcoin,ajtowns/bitcoin,AkioNak/bitcoin,namecoin/namecore,ajtowns/bitcoin,GroestlCoin/GroestlCoin,bitcoin/bitcoin,anditto/bitcoin,domob1812/bitcoin,sstone/bitcoin,ajtowns/bitcoin,bitcoin/bitcoin,Xekyo/bitcoin,sipsorcery/bitcoin,bitcoinknots/bitcoin,instagibbs/bitcoin,sipsorcery/bitcoin,sipsorcery/bitcoin,bitcoinsSG/bitcoin,kallewoof/bitcoin,fanquake/bitcoin,AkioNak/bitcoin,particl/particl-core,sstone/bitcoin,anditto/bitcoin,namecoin/namecore,GroestlCoin/bitcoin,namecoin/namecore,bitcoin/bitcoin,andreaskern/bitcoin,tecnovert/particl-core,lateminer/bitcoin,andreaskern/bitcoin,jambolo/bitcoin,domob1812/bitcoin,fanquake/bitcoin,sstone/bitcoin,namecoin/namecoin-core,fujicoin/fujicoin,instagibbs/bitcoin,bitcoinsSG/bitcoin,particl/particl-core,sstone/bitcoin,andreaskern/bitcoin,fanquake/bitcoin,GroestlCoin/bitcoin,kallewoof/bitcoin,andreaskern/bitcoin,AkioNak/bitcoin,bitcoinknots/bitcoin,lateminer/bitcoin,jamesob/bitcoin,sipsorcery/bitcoin,GroestlCoin/GroestlCoin,mruddy/bitcoin,bitcoinsSG/bitcoin,bitcoin/bitcoin,fujicoin/fujicoin,AkioNak/bitcoin,namecoin/namecore,bitcoinsSG/bitcoin,bitcoinsSG/bitcoin,lateminer/bitcoin,bitcoin/bitcoin,jamesob/bitcoin,jamesob/bitcoin,namecoin/namecore,lateminer/bitcoin,particl/particl-core,Xekyo/bitcoin,mruddy/bitcoin,anditto/bitcoin,Xekyo/bitcoin,tecnovert/particl-core,bitcoin/bitcoin,fujicoin/fujicoin,GroestlCoin/bitcoin,tecnovert/particl-core,ajtowns/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,GroestlCoin/GroestlCoin,instagibbs/bitcoin,particl/particl-core,namecoin/namecoin-core,kallewoof/bitcoin,anditto/bitcoin,domob1812/bitcoin,sipsorcery/bitcoin,bitcoinknots/bitcoin,jambolo/bitcoin,andreaskern/bitcoin,fanquake/bitcoin,domob1812/bitcoin,GroestlCoin/bitcoin,GroestlCoin/bitcoin,tecnovert/particl-core,tecnovert/particl-core,ajtowns/bitcoin,kallewoof/bitcoin,GroestlCoin/bitcoin,GroestlCoin/GroestlCoin,fujicoin/fujicoin,instagibbs/bitcoin,AkioNak/bitcoin,bitcoinsSG/bitcoin,mruddy/bitcoin,domob1812/bitcoin,jamesob/bitcoin,mruddy/bitcoin,namecoin/namecoin-core,mruddy/bitcoin,particl/particl-core,fanquake/bitcoin,domob1812/bitcoin,Xekyo/bitcoin,lateminer/bitcoin,jamesob/bitcoin,Xekyo/bitcoin,namecoin/namecoin-core,namecoin/namecoin-core,bitcoinknots/bitcoin,jambolo/bitcoin,anditto/bitcoin,GroestlCoin/GroestlCoin