runtime: use ABIInternal for calls to sigtrampgo on linux/loong64

runtime: use ABIInternal for calls to sigtrampgo on linux/loong64

Change-Id: I13fd5a96daff66a2ecb54f5bafa3d6e5c60f3879
Reviewed-on: https://go-review.googlesource.com/c/go/+/586357
Reviewed-by: Cherry Mui <cherryyz@google.com>
Reviewed-by: Meidan Li <limeidan@loongson.cn>
Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Qiqi Huang <huangqiqi@loongson.cn>