serdev: select POLLER
A lot of the inner working of the serdev framework depend on the poller,
so there is no point in allowing to build without poller support.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent b1d84f7 commit 39043f8350f7b1125a7e88dc74d5983024a0f1bc
@Lucas Stach Lucas Stach authored on 8 Jun 2018
Sascha Hauer committed on 4 Dec 2018
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drivers/serial/Kconfig