nimble/ll: Use get_le24 to read AuxPtr
No need to read more bytes and discard bits, we have helper that reads
exactly 24 bits :)
@@ -863,7 +863,7 @@ static void
ble_ll_sync_parse_aux_ptr(const uint8_t *buf, uint8_t *chan, uint32_t *offset,
uint8_t *offset_units, uint8_t *phy)
{
- uint32_t aux_ptr_field = get_le32(buf) & 0x00FFFFFF;
+ uint32_t aux_ptr_field = get_le24(buf);
*chan = aux_ptr_field & 0x3F;
