i2c: support driver [1/2]

PD#SWPL-91126

Problem:
there is no i2c driver.

Solution:
add driver to support.

Verify:
s5-ax208

Change-Id: I63528c7293a3938ff71a768ff604950eef2f99e6
Signed-off-by: junyi.zhao <junyi.zhao@amlogic.com>
diff --git a/Kconfig b/Kconfig
index f53656e..ffea7b1 100644
--- a/Kconfig
+++ b/Kconfig
@@ -18,3 +18,4 @@
 rsource "ir/Kconfig"
 rsource "rtc/Kconfig"
 rsource "hwspinlock/Kconfig"
+rsource "i2c/Kconfig"