tpm2: tis_spi: add the possibility to reset the chip with a gpio
On some designs, the reset line could not be connected to the SoC reset line, in this case, request the GPIO and ensure the chip gets reset. Signed-off-by: NMiquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: NSimon Glass <sjg@chromium.org>
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