Bug#1061730: openjfx: add loongarch64 support

[wuruilong]

Source: openjfx
Version: 11.0.11+1-4
Followup-For: Bug #1061730
X-Debbugs-Cc: debian-loongarch at lists.debian.org
Usertags: loong64

Dear Maintainer,

I have also verified it in local test as below:

"dpkg-deb: building package 'libopenjfx-java' in '.../libopenjfx_11.0.11+1-6_loong64.deb'. /libopenjfx-java_11.0.11+1-6_all.deb'.
"dpkg-deb: building package 'libopenjfx-jni' in '.../libopenjfx-java_11.0.11+1-6_all.deb'. /libopenjfx-jni_11.0.11+1-6_loong64.deb'.
"dpkg-deb: building package 'libopenjfx-java-doc' in '.../libopenjfx-jni_11.0.11+1-6_loong64.deb'. /libopenjfx-java-doc_11.0.11+1-6_all.deb'.
"dpkg-deb: building package 'libopenjfx-jni-dbgsym' in '... /libopenjfx-jni-dbgsym_11.0.11+1-6_loong64.deb'.
"dpkg-deb: building package 'openjfx-source' in '... /openjfx-source_11.0.11+1-6_all.deb'.
"dpkg-genbuildinfo --build=binary -O... /openjfx_11.0.11+1-6_loong64.buildinfo
"dpkg-genchanges --build=binary -O... /openjfx_11.0.11+1-6_loong64.changes

wuruilong