lockdep: selftest: Only do hardirq context test for raw spinlock

On -rt there is no softirq context any more and rwlock is sleepable,
disable softirq context test and rwlock+irq test.

Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Cc: Yong Zhang <yong.zhang@windriver.com>
Link: http://lkml.kernel.org/r/1334559716-18447-3-git-send-email-yong.zhang0@gmail.com


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>