dirinboz: remove unuse config
This patch remove unuse config on dirinboz:
CONFIG_IO_EXPANDER_PCAL6408
CONFIG_USB_MUX_PS8740
BRANCH=zork
TEST=make BOARD=dirinboz
#include <stdbool.h>
#include "baseboard.h"
-#define CONFIG_IO_EXPANDER_PCAL6408
#define CONFIG_MKBP_USE_GPIO
#define CONFIG_USBC_PPC_NX20P3483
-#define CONFIG_USB_MUX_PS8740
#define CONFIG_USB_MUX_PS8743
#define CONFIG_USB_MUX_RUNTIME_CONFIG
