MIPS: CI20: Update defconfig

Update defconfig for the new UART driver. All console output should now
be on UART4.

Signed-off-by: Alex Smith <alex.smith@imgtec.com>

arch/mips/configs/ci20_defconfig

@@ -97,6 +97,7 @@ CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_8250_NR_UARTS=5
 CONFIG_SERIAL_8250_RUNTIME_UARTS=5
+CONFIG_SERIAL_8250_INGENIC=y
 CONFIG_SERIAL_OF_PLATFORM=y
 # CONFIG_HW_RANDOM is not set
 CONFIG_I2C_JZ4780=y
@@ -202,7 +203,6 @@ CONFIG_PANIC_ON_OOPS=y
 # CONFIG_DEBUG_PREEMPT is not set
 CONFIG_STACKTRACE=y
 # CONFIG_FTRACE is not set
-# CONFIG_EARLY_PRINTK is not set
 CONFIG_CMDLINE_BOOL=y
 CONFIG_CMDLINE="console=ttyS4,115200 clk_ignore_unused"
 CONFIG_XZ_DEC=y