i2c: nomadik: Add missing sentinel to match table

The OF match table is not NULL-terminated.
Fix this by adding a sentinel to nmk_i2c_eyeq_match_table[].

Fixes: a0d15cc4 ("i2c: nomadik: switch from of_device_is_compatible() to of_match_device()")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Théo Lebrun <theo.lebrun@bootlin.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>