gimble: correct i2c port assignment
BRANCH=none
TEST=make -j BOARD=gimble
#define I2C_PORT_USB_C1_TCPC NPCX_I2C_PORT4_1
#define I2C_PORT_USB_C0_PPC NPCX_I2C_PORT2_0
-#define I2C_PORT_USB_C1_PPC NPCX_I2C_PORT6_1
+#define I2C_PORT_USB_C1_PPC NPCX_I2C_PORT4_1
#define I2C_PORT_USB_C0_BC12 NPCX_I2C_PORT2_0
-#define I2C_PORT_USB_C1_BC12 NPCX_I2C_PORT6_1
+#define I2C_PORT_USB_C1_BC12 NPCX_I2C_PORT4_1
#define I2C_PORT_BATTERY NPCX_I2C_PORT5_0
#define I2C_PORT_CHARGER NPCX_I2C_PORT7_0
