glibc: fix do_populate_sdk fail when multilib used
fix below error:
file /usr/include/bits/procfs-id.h conflicts between attempted installs of lib32-libc6-dev-2.29-r0.armv7vet2hf_vfp and libc6-dev-2.29-r0.aarch64
file /usr/include/bits/procfs.h conflicts between attempted installs of lib32-libc6-dev-2.29-r0.armv7vet2hf_vfp and libc6-dev-2.29-r0.aarch64
file /usr/include/bits/shmlba.h conflicts between attempted installs of lib32-libc6-dev-2.29-r0.armv7vet2hf_vfp and libc6-dev-2.29-r0.aarch64
Signed-off-by: Changqing Li <changqing.li@windriver.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
