opkg-build: Ignore tar error due to hardlinks issue when creating ipk files
If a the number of hard links decreases or increases while creating
the tar files used for an ipk package, tar fails with error code 1,
if this is the case we ignore the error and continue to create the ipk file
[YOCTO #7933]
Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
