gpio: xra1403: select REGMAP_SPI
Without the regmap code, we get a link error: drivers/gpio/built-in.o: In function `xra1403_probe': (.text+0x132e0): undefined reference to `__devm_regmap_init_spi' Fixes: 5704520d ("gpio: xra1403: Add EXAR XRA1403 SPI GPIO expander driver") Signed-off-by: NArnd Bergmann <arnd@arndb.de> Reviewed-by: NNandor Han <nandor.han@ge.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
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