net: calxeda: Fix wrong function name in comments

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

 drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_init.c:761: warning: expecting prototype for qlcnic_83xx_idc_cold_state(). Prototype was for qlcnic_83xx_idc_cold_state_handler() instead
 drivers/net/ethernet/qlogic/qlcnic/qlcnic_83xx_vnic.c:192: warning: expecting prototype for qlcnic_83xx_vnic_opmode(). Prototype was for qlcnic_83xx_config_vnic_opmode() instead

Cc: Shahed Shaikh <shshaikh@marvell.com>
Cc: Manish Chopra <manishc@marvell.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>