Integration test register to enable integration test mode.
The integ_cfg register characteristics are:
- Usage constraints
Can be read from when in ALL states. Can be written to when in CONFIG or LOW-POWER states.
There is only one DMC configuration.
The following figure shows the bit assignments.
Figure 3-187 integ_cfg register bit assignments
The following shows the bit assignments.
- [31:1] Reserved_1
-  integ_test_en
The supported range for this bitfield is 0-1.