const runtime.offsetMIPS64XHasMSA

one use

	runtime (current package)
		cpuflags.go#L22: 	offsetMIPS64XHasMSA = unsafe.Offsetof(cpu.MIPS64X.HasMSA)

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)