ata: pata_octeon_cf: Add missing header include

Include the header file linux/of_address.h to avoid compilation errors
triggered by of_property_read_reg() being undeclared.

Fixes: d0b24616 ("ata: Use of_property_read_reg() to parse "reg"")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202306141702.ZaO9V2lk-lkp@intel.com/


Signed-off-by: Damien Le Moal <dlemoal@kernel.org>