arm: Fix some inconsistent debug-UART CONFIG options

A few boards enable CONFIG_DEBUG_UART_BOARD_INIT but do not define the
required init function. Fix this by disabling the debug UART.

With snow the debug UART is enabled but the driver CONFIG is not. Fix this
too.

Signed-off-by: Simon Glass <sjg@chromium.org>

configs/elgin-rv1108_defconfig

@@ -6,6 +6,7 @@ CONFIG_NR_DRAM_BANKS=1
 CONFIG_ENV_OFFSET=0x3F8000
 CONFIG_DEFAULT_DEVICE_TREE="rv1108-elgin-r1"
 CONFIG_ROCKCHIP_RV1108=y
+# CONFIG_DEBUG_UART_BOARD_INIT is not set
 CONFIG_ROCKCHIP_BOOT_MODE_REG=0
 CONFIG_TARGET_ELGIN_RV1108=y
 CONFIG_DEBUG_UART_BASE=0x10210000

configs/evb-rk3128_defconfig

@@ -6,6 +6,7 @@ CONFIG_NR_DRAM_BANKS=2
 CONFIG_ENV_OFFSET=0x0
 CONFIG_DEFAULT_DEVICE_TREE="rk3128-evb"
 CONFIG_ROCKCHIP_RK3128=y
+# CONFIG_DEBUG_UART_BOARD_INIT is not set
 CONFIG_DEBUG_UART_BASE=0x20068000
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART=y

configs/evb-rv1108_defconfig

@@ -5,6 +5,7 @@ CONFIG_SYS_TEXT_BASE=0x60000000
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_DEFAULT_DEVICE_TREE="rv1108-evb"
 CONFIG_ROCKCHIP_RV1108=y
+# CONFIG_DEBUG_UART_BOARD_INIT is not set
 CONFIG_DEBUG_UART_BASE=0x10210000
 CONFIG_DEBUG_UART_CLOCK=24000000
 CONFIG_DEBUG_UART=y

configs/pm9g45_defconfig

@@ -8,7 +8,6 @@ CONFIG_TARGET_PM9G45=y
 CONFIG_NR_DRAM_BANKS=1
 CONFIG_DM_GPIO=y
 CONFIG_DEFAULT_DEVICE_TREE="at91sam9m10g45ek"
-CONFIG_DEBUG_UART_BOARD_INIT=y
 CONFIG_DEBUG_UART_BASE=0xffffee00
 CONFIG_DEBUG_UART_CLOCK=132000000
 CONFIG_ENV_OFFSET_REDUND=0x100000

configs/snow_defconfig

@@ -18,6 +18,7 @@ CONFIG_SPL_TEXT_BASE=0x02023400
 CONFIG_SPL=y
 CONFIG_DEBUG_UART_BASE=0x12c30000
 CONFIG_DEBUG_UART_CLOCK=100000000
+CONFIG_DEBUG_UART_S5P=y
 CONFIG_IDENT_STRING=" for snow"
 CONFIG_DEBUG_UART=y
 CONFIG_DISTRO_DEFAULTS=y