cmd/dist: enable more cgo tests on ppc64le
cmd/dist: enable more cgo tests on ppc64le

The tests all pass (for me at least) so I don't think there is any
reason not to enable them.

Change-Id: I96e71383e573273f442a849914cf6458ada14f82
Reviewed-on: https://go-review.googlesource.com/32855
Reviewed-by: Lynn Boger <b27445fe6fb259c37b8e0a4ce56e22e2413754bf@linux.vnet.ibm.com>
Reviewed-by: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
Run-TryBot: Ian Lance Taylor <87e9c6d529889242b7e184afb632328636553ab4@golang.org>
TryBot-Result: Gobot Gobot <66cb808b70d30c07676d5e946fee83fd561249e5@golang.org>

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