ARC: enable debug uart for HSDK and AXS10x boards

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
diff --git a/configs/axs101_defconfig b/configs/axs101_defconfig
index 25b1088..559ed47 100644
--- a/configs/axs101_defconfig
+++ b/configs/axs101_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_TEXT_BASE=0x81000000
 CONFIG_SYS_CLK_FREQ=750000000
 CONFIG_DEFAULT_DEVICE_TREE="axs101"
+CONFIG_DEBUG_UART=y
 CONFIG_BOOTDELAY=3
 CONFIG_USE_BOOTARGS=y
 CONFIG_BOOTARGS="console=ttyS3,115200n8"
@@ -33,6 +34,10 @@
 CONFIG_PHY_GIGE=y
 CONFIG_ETH_DESIGNWARE=y
 CONFIG_DM_SERIAL=y
+CONFIG_DEBUG_UART_BASE=0xe0022000
+CONFIG_DEBUG_UART_CLOCK=33333333
+CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_DEBUG_UART_ANNOUNCE=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_DM_USB=y