spi: bcm63xx-spi: add reset support

bcm63xx arch resets the SPI controller at early boot. However, bmips arch
needs to perform a reset when probing the driver.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200616173235.3473149-2-noltari@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Álvaro Fernández Rojas 2020-06-16 19:32:34 +02:00 • committed by Mark Brown
commit 38807adeaf
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