cmd/link/internal/loader: fix linknames from FIPS 140 frozen tree
blockedLinknames was updated in CL 635676 after the lib/fips140 zip
mechanism was last tested. linknames from crypto/internal/fips140/v1.0.0
need to be allowed if they'd be allowed from crypto/internal/fips140.
Change-Id: I6a6a4656022118d4739ae14831f2ad721951c192
Reviewed-on: https://go-review.googlesource.com/c/go/+/645195 Reviewed-by: Michael Pratt <mpratt@google.com>
Auto-Submit: Filippo Valsorda <filippo@golang.org>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Reviewed-by: Roland Shoemaker <roland@golang.org>