media: dw100: Add a missing unwind goto in dw100_probe()

In case the IRQ allocation returns an error in dw100_probe(), the pm
runtime is not disabled before to return.

Add the missing unwind goto on the error handling path of the IRQ
allocation request.

Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Xavier Roumegue <xavier.roumegue@oss.nxp.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>