DTS: bindings: wl1251: mark ti,power-gpio as optional

It is now only useful for SPI interface.
Power control of SDIO mode is done through mmc core.

Suggested by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
H. Nikolaus Schaller 2020-01-26 21:00:13 +01:00 • committed by Kalle Valo
commit 57f0a29c3e