mx6sxsabreauto: Remove legacy CONFIG_PCA953X
When this board was switched to using more DM drivers we didn't disable the legacy PCA953X driver. This in turn learn to a build time warning about implicit functions as i2c.h would not say anything about 'i2c_read' nor 'i2c_write'. But this was not a fatal error as none of the legacy driver would be linked in either. Fixes: e389033f ("imx: mx6sxsabreauto: enable more dm drivers") Reviewed-by: NStefano Babic <sbabic@denx.de> Signed-off-by: NTom Rini <trini@konsulko.com>
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