kunit: added configs for I2C_ASPEED_TEST

Added configs to run tests for the I2C_ASPEED driver.

Change-Id: Ib31e5960aeed75496e025b6905a28946d2f44615
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>

kunitconfig

diff --git a/kunitconfig b/kunitconfig
index 2e4a4a4..350a027 100644
--- a/kunitconfig
+++ b/kunitconfig
@@ -1,3 +1,9 @@
+CONFIG_PLATFORM_MOCK=y
 CONFIG_TEST=y
 CONFIG_TEST_TEST=y
 CONFIG_EXAMPLE_TEST=y
+CONFIG_OF=y
+CONFIG_I2C=y
+CONFIG_I2C_ASPEED=y
+CONFIG_I2C_ASPEED_TEST=y
+CONFIG_RESET_CONTROLLER=y