rpm: Use libtirpc-devel and /usr/lib on SUSE

SUSE Linux distributions require libtirpc-devel. The dracut and udev
directories are /usr/lib/dracut and /usr/lib/udev.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Brian Atkinson <batkinson@lanl.gov>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Signed-off-by: Andreas Vögele <andreas@andreasvoegele.com>
Closes #14467
Closes #14468