test/bench/go1: reduce fasta data size for mips{,64}
test/bench/go1: reduce fasta data size for mips{,64}

Change-Id: I15887ee454acfdb36334dd9f0b59cc520b2b0286
Reviewed-on: https://go-review.googlesource.com/34311
Reviewed-by: Brad Fitzpatrick <ae9783c0b0efc69cd85ab025ddd17aa44cdc4aa5@golang.org>

nawawi/go,suncycheng/go,CAFxX/go,vsekhar/elastic-go,Cofyc/go,codestation/go,akutz/go,nawawi/go,vsekhar/elastic-go,suncycheng/go,Cofyc/go,Cofyc/go,cloudflare/go,vsekhar/elastic-go,linux-on-ibm-z/go,CAFxX/go,vsekhar/elastic-go,nawawi/go,CAFxX/go,polyverse-security/go,golang/go,suncycheng/go,christopher-henderson/Go,golang/go,ImJasonH/go,Cofyc/go,nawawi/go,Cofyc/go,derekmarcotte/go,akutz/go,CAFxX/go,suncycheng/go,derekmarcotte/go,cloudflare/go,derekmarcotte/go,ImJasonH/go,golang/go,golang/go,polyverse-security/go,CAFxX/go,vsekhar/elastic-go,polyverse-security/go,CAFxX/go,josharian/go,ImJasonH/go,josharian/go,derekmarcotte/go,linux-on-ibm-z/go,codestation/go,derekmarcotte/go,vsekhar/elastic-go,cloudflare/go,polyverse-security/go,akutz/go,josharian/go,nawawi/go,linux-on-ibm-z/go,linux-on-ibm-z/go,nawawi/go,derekmarcotte/go,suncycheng/go,suncycheng/go,vsekhar/elastic-go,suncycheng/go,polyverse-security/go,codestation/go,josharian/go,akutz/go,Cofyc/go,akutz/go,akutz/go,derekmarcotte/go,ImJasonH/go,ImJasonH/go,akutz/go,golang/go,nawawi/go,cloudflare/go,josharian/go,linux-on-ibm-z/go,cloudflare/go,linux-on-ibm-z/go,polyverse-security/go,codestation/go,polyverse-security/go,akutz/go,golang/go,josharian/go,nawawi/go,codestation/go,linux-on-ibm-z/go,codestation/go,ImJasonH/go,golang/go,polyverse-security/go,Cofyc/go,cloudflare/go,vsekhar/elastic-go,cloudflare/go,linux-on-ibm-z/go,suncycheng/go,derekmarcotte/go,ImJasonH/go,CAFxX/go,ImJasonH/go,CAFxX/go,golang/go,codestation/go,josharian/go,codestation/go,cloudflare/go,Cofyc/go,josharian/go