Fixes <https://bugs.gnu.org/49113>.
Reported by Maxime Devos <maximedevos@telenet.be>.
Previously, the cross-compiled libc.so linker script would read:
OUTPUT_FORMAT(elf64-little)
instead of:
OUTPUT_FORMAT(elf64-littleaarch64)
This is because glibc 2.33 runs "objdump -f" instead of
"aarch64-linux-gnu-objdump -f" to determine the output format.
* gnu/packages/patches/glibc-cross-objdump.patch: New file.
* gnu/local.mk (dist_patch_DATA): Add it.
* gnu/packages/base.scm (glibc)[source]: Use it.
