[glibc] LoongArch: Update build-many-glibcs.py for the LoongArch Port.

[glibc] LoongArch: Update build-many-glibcs.py for the LoongArch Port.

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=3be5fc00ad04b89a709f79e0b008ca119c4aa01e

commit 3be5fc00ad04b89a709f79e0b008ca119c4aa01e
Author: caiyinyu <caiyinyu@loongson.cn>
Date:   Tue Jul 19 09:22:09 2022 +0800

    LoongArch: Update build-many-glibcs.py for the LoongArch Port.

Diff:
---
 scripts/build-many-glibcs.py | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
index cc058e115c..da9b905900 100755
--- a/scripts/build-many-glibcs.py
+++ b/scripts/build-many-glibcs.py
@@ -218,6 +218,10 @@ class Context(object):
                         os_name='linux-gnu',
                         first_gcc_cfg=['--with-system-libunwind'],
                         binutils_cfg=['--enable-obsolete'])
+        self.add_config(arch='loongarch64',
+                        os_name='linux-gnu',
+                        variant='lp64d',
+                        gcc_cfg=['--with-abi=lp64d','--disable-multilib'])
         self.add_config(arch='m68k',
                         os_name='linux-gnu',
                         gcc_cfg=['--disable-multilib'])
@@ -1271,6 +1275,7 @@ def install_linux_headers(policy, cmdlist):
                 'i686': 'x86',
                 'i786': 'x86',
                 'ia64': 'ia64',
+                'loongarch64': 'loongarch',
                 'm68k': 'm68k',
                 'microblaze': 'microblaze',
                 'mips': 'mips',