net: ethernet: toshiba: spider_net: Document a whole bunch of function parameters

Fixes the following W=1 kernel build warning(s):

 drivers/net/ethernet/toshiba/spider_net.c:263: warning: Function parameter or member 'hwdescr' not described in 'spider_net_get_descr_status'
 drivers/net/ethernet/toshiba/spider_net.c:263: warning: Excess function parameter 'descr' description in 'spider_net_get_descr_status'
 drivers/net/ethernet/toshiba/spider_net.c:554: warning: Function parameter or member 'netdev' not described in 'spider_net_get_multicast_hash'
 drivers/net/ethernet/toshiba/spider_net.c:902: warning: Function parameter or member 't' not described in 'spider_net_cleanup_tx_ring'
 drivers/net/ethernet/toshiba/spider_net.c:902: warning: Excess function parameter 'card' description in 'spider_net_cleanup_tx_ring'
 drivers/net/ethernet/toshiba/spider_net.c:1074: warning: Function parameter or member 'card' not described in 'spider_net_resync_head_ptr'
 drivers/net/ethernet/toshiba/spider_net.c:1234: warning: Function parameter or member 'napi' not described in 'spider_net_poll'
 drivers/net/ethernet/toshiba/spider_net.c:1234: warning: Excess function parameter 'netdev' description in 'spider_net_poll'
 drivers/net/ethernet/toshiba/spider_net.c:1278: warning: Function parameter or member 'p' not described in 'spider_net_set_mac'
 drivers/net/ethernet/toshiba/spider_net.c:1278: warning: Excess function parameter 'ptr' description in 'spider_net_set_mac'
 drivers/net/ethernet/toshiba/spider_net.c:1350: warning: Function parameter or member 'error_reg1' not described in 'spider_net_handle_error_irq'
 drivers/net/ethernet/toshiba/spider_net.c:1350: warning: Function parameter or member 'error_reg2' not described in 'spider_net_handle_error_irq'
 drivers/net/ethernet/toshiba/spider_net.c:1968: warning: Function parameter or member 't' not described in 'spider_net_link_phy'
 drivers/net/ethernet/toshiba/spider_net.c:1968: warning: Excess function parameter 'data' description in 'spider_net_link_phy'
 drivers/net/ethernet/toshiba/spider_net.c:2149: warning: Function parameter or member 'work' not described in 'spider_net_tx_timeout_task'
 drivers/net/ethernet/toshiba/spider_net.c:2149: warning: Excess function parameter 'data' description in 'spider_net_tx_timeout_task'
 drivers/net/ethernet/toshiba/spider_net.c:2182: warning: Function parameter or member 'txqueue' not described in 'spider_net_tx_timeout'

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>