media: staging/media/atomisp/pci/atomisp: Fix typo in string

Remove the repeated ',' from string

Link: https://lore.kernel.org/linux-media/20220704022807.3215-1-zeming@nfschina.com


Signed-off-by: Li zeming <zeming@nfschina.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>