doxygen: small syntax fix in cfg support and sl module

cfg/cfg_struct.h

@@ -118,7 +118,7 @@ typedef struct _cfg_group_inst {
 	unsigned char	vars[1];	/*!< block for the values */
 } cfg_group_inst_t;
 
-/*! \bried Meta-data which is stored before each variable group
+/*! \brief Meta-data which is stored before each variable group
  * within the blob. This structure is used to handle the multivalue
  * instances of the variables, i.e. manages the array for the
  * additional values. */

modules/sl/sl.h

@@ -60,7 +60,7 @@ typedef struct sl_cbp {
 typedef void (*sl_cbf_f)(sl_cbp_t *slcbp);
 
 /**
- * @bried SL callback structure definition
+ * @brief SL callback structure definition
  */
 typedef struct sl_cbelem {
 	unsigned int type;         /* type of callback - can be a mask of types */