platform/chrome: cros_ec_lpc - Include linux/io.h header file
The driver uses the inb() and outb() I/O functions so should include the header file that has these functions definitions. This patch fixes the following error when the header is not explicitly included: drivers/platform/chrome//cros_ec_lpc.c: In function ‘ec_response_timed_out’: drivers/platform/chrome//cros_ec_lpc.c:40:3: error: implicit declaration of function ‘inb’ [-Werror=implicit-function-declaration] drivers/platform/chrome//cros_ec_lpc.c: In function ‘cros_ec_cmd_xfer_lpc’: drivers/platform/chrome//cros_ec_lpc.c:75:3: error: implicit declaration of function ‘outb’ [-Werror=implicit-function-declaration] Signed-off-by: NJavier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: NOlof Johansson <olof@lixom.net>
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