git: openjdk/jdk17u-dev: 8315020: The macro definition for LoongArch64 zero build is not accurate.

[Fei Yang]

Changeset: 4636018f
Author:    Ao Qi <aoqi at openjdk.org>
Committer: Fei Yang <fyang at openjdk.org>
Date:      2023-09-15 07:45:10 +0000
URL:       https://git.openjdk.org/jdk17u-dev/commit/4636018f02f68ff4e0347969077bc80ed26ce847

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

Reviewed-by: fyang
Backport-of: 725ec0ce1b463b21cd4c5287cf4ccbee53ec7349

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