t19x: use kernel overlay features

Update all Kconfig files and Makefiles to rely on the kernel overlay
feature. In particular, don't include any Kconfig files or Makefiles
from other overlays. -I directives in CFLAGS are not yet cleaned up.

Bug 1978395

Change-Id: I5ee70b91c5137dd8b36e0adb56a0763fbf2cb123
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1561188
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
new file mode 100644
index 000000000..6fea0261e
--- /dev/null
+++ b/drivers/i2c/busses/Kconfig
@@ -0,0 +1,12 @@
+append_menu "I2C Hardware Bus support"
+
+config I2C_TEGRA194_SLAVE
+        tristate "NVIDIA Tegra194 internal I2C slave controller"
+        select I2C_SLAVE
+        help
+        If you say yes to this option, support will be included for the
+        I2C slave controller embedded in NVIDIA Tegra194 SOC.
+
+        This driver supports FIFO mode for read/write transfers.
+
+endmenu