Added of-unittest to kunitconfig
diff --git a/kunitconfig b/kunitconfig
index 9235b7d..bfe4968 100644
--- a/kunitconfig
+++ b/kunitconfig
@@ -1,3 +1,8 @@
+CONFIG_OF=y
+CONFIG_OF_UNITTEST=y
+CONFIG_OF_OVERLAY=y
+CONFIG_I2C=y
+CONFIG_I2C_MUX=y
 CONFIG_KUNIT=y
 CONFIG_KUNIT_TEST=y
 CONFIG_KUNIT_EXAMPLE_TEST=y