git: openjdk/jdk21u: master: 8315020: The macro definition for LoongArch64 zero build is not accurate.

[Fei Yang]

Changeset: 33ce611e
Author:    Ao Qi <aoqi at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2023-09-01 03:40:17 +0000
URL:       https://git.openjdk.org/jdk21u/commit/33ce611eb78e2b4a36325e4c697cdd875c4d4a6e

8315020: The macro definition for LoongArch64 zero build is not accurate.

Backport-of: 725ec0ce1b463b21cd4c5287cf4ccbee53ec7349

! make/autoconf/platform.m4
! src/hotspot/os/linux/os_linux.cpp