bugs/s390: Pass in 'cond_str' to __EMIT_BUG()

bugs/s390: Pass in 'cond_str' to __EMIT_BUG()

Pass in the condition string from __WARN_FLAGS(), but do not
concatenate it with __FILE__, because it results in s390
assembler build errors that are beyond my s390-asm-fu.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: linux-s390@vger.kernel.org
Cc: <linux-arch@vger.kernel.org>
Link: https://lore.kernel.org/r/20250515124644.2958810-11-mingo@kernel.org