xfs: actually use the xfs_growfs_check_rtgeom tracepoint

xfs: actually use the xfs_growfs_check_rtgeom tracepoint

We created a new tracepoint but forgot to put it in.  Fix that.

Cc: rostedt@goodmis.org
Cc: stable@vger.kernel.org # v6.14
Fixes: 59a57acbce282d ("xfs: check that the rtrmapbt maxlevels doesn't increase when growing fs")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>
Reported-by: Steven Rostedt <rostedt@goodmis.org>
Closes: https://lore.kernel.org/all/20250612131021.114e6ec8@batman.local.home/
Signed-off-by: Carlos Maiolino <cem@kernel.org>