Several rt kernel rpms are disabled in spec, add them to
unbuilt_rpm_patterns. Otherwise rebuild will be triggered
due to missing of these rpms.
Story: 2007308
Task: 39618
Change-Id: I06a56dd9d18f6873e316fbaaff752c70a33f14fd
Signed-off-by: Shuicheng Lin <shuicheng.lin@intel.com>