i2c: add FUNC flag for slave capabilities

So users can check in advance if there is slave support.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Acked-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Wolfram Sang 2015-05-14 14:40:02 +02:00 • committed by Wolfram Sang
commit 83caf9896a