staging: wilc1000: rename strHostIFCfgParamAttr of fuction Handle_CfgParam

This patch renames strHostIFCfgParamAttr of fuction Handle_CfgParam
to cfg_param_attr to avoid CamelCase naming convention.
Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>