[release-branch.go1.24] internal/cpu: use correct variable when parsing CPU features lamcas and lam_bh on loong64
Fixes #76378
Change-Id: I5019f4e32243911f735f775bcb3c0dba5adb4162
Reviewed-on: https://go-review.googlesource.com/c/go/+/655395
Reviewed-by: David Chase <drchase@google.com>
Reviewed-by: Junyang Shao <shaojunyang@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>
(cherry picked from commit
bcd0ebbd2abcd3e2e876862f287c46a2de56eaab)
Reviewed-on: https://go-review.googlesource.com/c/go/+/722400
Reviewed-by: abner chenc <chenguoqi@loongson.cn>
Reviewed-by: Mark Freeman <markfreeman@google.com>