Merge "Enum-ify stack::l2cap::tL2CAP_DW_RESULT" into main

#define L2CAP_FCS_LENGTH 2

/* result code for L2CA_DataWrite() */

#define L2CAP_DW_FAILED false

#define L2CAP_DW_SUCCESS true

#define L2CAP_DW_CONGESTED 2

typedef enum : uint8_t {

  L2CAP_DW_FAILED = 0,

  L2CAP_DW_SUCCESS = 1,

  L2CAP_DW_CONGESTED = 2,

} tL2CAP_DW_RESULT;

/* Values for priority parameter to L2CA_SetAclPriority */

typedef enum : uint8_t {