A40i调试信息打印由uart0改uart3

diff --git a/pack/chips/sun8iw11p1/configs/a40i-p3/sys_config.fex

b/pack/chips/sun8iw11p1/configs/a40i-p3/sys_config.fex

index 159d3fa..afe98fe 100755

--- a/pack/chips/sun8iw11p1/configs/a40i-p3/sys_config.fex

+++ b/pack/chips/sun8iw11p1/configs/a40i-p3/sys_config.fex

@@ -111,9 +111,9 @@ twi_scl     = port:PB0<2><default><default><default>

twi_sda     = port:PB1<2><default><default><default>

[uart_para]

-uart_debug_port = 0

[jtag_para]

jtag_enable   = 1

@@ -387,7 +387,7 @@ uart2_rx     = port:PI19<7><1><default><default>

[uart3]

-uart3_used    = 0

+uart3_used    = 1

uart3_port    = 3

uart3_type    = 2

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