bugs/riscv: Pass in 'cond_str' to __BUG_FLAGS()

bugs/riscv: Pass in 'cond_str' to __BUG_FLAGS()

Pass in the condition string from __WARN_FLAGS() to __BUG_FLAGS(),
but don't use it yet.

Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org> # Rebased ancestor commits
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: linux-arch@vger.kernel.org
Cc: linux-riscv@lists.infradead.org
Link: https://lore.kernel.org/r/20250515124644.2958810-12-mingo@kernel.org