parse_cereg()

int parse_cereg	(	const char *	at_response,
		enum lte_lc_nw_reg_status *	reg_status,
		struct lte_lc_cell *	cell,
		enum lte_lc_lte_mode *	lte_mode,
		struct lte_lc_psm_cfg *	psm_cfg
	)