kernel/panic.c: format kernel-doc comments

kernel/panic.c: format kernel-doc comments

kernel-doc function comment don't follows documentation commenting style
misinterpreting arguments description with function description.

Please see latest docs generated before applying this patch
https://docs.kernel.org/driver-api/basics.html#c.panic

Link: https://lkml.kernel.org/r/20250516174031.2937-1-sravankumarlpu@gmail.com
Signed-off-by: Sravan Kumar Gundu <sravankumarlpu@gmail.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: John Ogness <john.ogness@linutronix.de>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Shuah Khan <shuah@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>