java/openjdk22: fix build on powerpc64*

Error: failed /wrkdirs/usr/ports/java/openjdk22/work/jdk22-jdk-22-36-1/build/bsd-ppc64le-server-release/jdk/lib/server/libjvm.so, because /wrkdirs/usr/ports/java/openjdk22/work/jdk22-jdk-22-36-1/build/bsd-ppc64le-server-release/jdk/lib/server/libjvm.so: Undefined symbol "_ZN2os27current_stack_base_and_sizeEPPhPm"