compat matrix: add ISap slot2

The framework supports this, but devices copied its support
into each of their compat matrices instead of adding it once
here.

Bug: 290408770
Test: build
Change-Id: I2de4f1365a6981a0a2ef7165c916fba91a340799
Merged-In: I2de4f1365a6981a0a2ef7165c916fba91a340799