layer.conf: Skip textrel for eudev on rv64
Build QA complains
ERROR: eudev-3.2.9-r0 do_package_qa: QA Issue: eudev: ELF binary /usr/bin/udevadm has relocations in .text
eudev: ELF binary /usr/libexec/udevadm has relocations in .text [textrel]
Signed-off-by: Khem Raj <raj.khem@gmail.com>