leds: pca995x: Fix typo in pca995x_of_match's of_device_id entry

Remove the stray space between the '.' and the 'data' field name in
the PCA995x device-tree match table.

Signed-off-by: Jesse Karjalainen <jesse@ponkila.com>
Link: https://lore.kernel.org/r/20250426020454.47059-1-jesse@ponkila.com


Signed-off-by: Lee Jones <lee@kernel.org>