parisc: Fix asm operand number out of range build error in bug table

Build is broken if CONFIG_DEBUG_BUGVERBOSE=n.
Fix it be using the correct asm operand number.

Signed-off-by: Helge Deller <deller@gmx.de>
Reported-by: Linux Kernel Functional Testing <lkft@linaro.org>
Fixes: fe76a134 ("parisc: Use natural CPU alignment for bug_table")
Cc: stable@vger.kernel.org   # v6.0+