all: add go:build lines (#23468)

Generated by go1.17 fmt ./...

crypto/bls12381/arithmetic_decl.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build (amd64 && blsasm) || (amd64 && blsadx)
 // +build amd64,blsasm amd64,blsadx
 
 package bls12381

crypto/bls12381/arithmetic_fallback.go

@@ -31,6 +31,7 @@
 
 // Package bls (generated by goff) contains field arithmetics operations
 
+//go:build !amd64 || (!blsasm && !blsadx)
 // +build !amd64 !blsasm,!blsadx
 
 package bls12381

crypto/bls12381/arithmetic_x86_adx.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build amd64 && blsadx
 // +build amd64,blsadx
 
 package bls12381

crypto/bls12381/arithmetic_x86_noadx.go

@@ -14,6 +14,7 @@
 // You should have received a copy of the GNU Lesser General Public License
 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
 
+//go:build amd64 && blsasm
 // +build amd64,blsasm
 
 package bls12381