csi bridge interrupt enable.
| VADR_NUM_GT_INT_ENA | reg_vadr_num is greater than real interrupt enable. |
| VADR_NUM_LT_INT_ENA | reg_vadr_num is less than real interrupt enable. |
| DISCARD_INT_ENA | an incomplete frame of data was sent interrupt enable. |
| CSI_BUF_OVERRUN_INT_ENA | buffer overrun interrupt enable. |
| CSI_ASYNC_FIFO_OVF_INT_ENA | buffer overflow interrupt enable. |
| DMA_CFG_HAS_UPDATED_INT_ENA | dma configuration update complete interrupt enable. |