board: siemens: iot2050: Adjust to changes in DT and configuration

Account for the changes done between merge proposal and the final merge.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/iot2050_defconfig b/configs/iot2050_defconfig
index 72ee5c8..84e387a 100644
--- a/configs/iot2050_defconfig
+++ b/configs/iot2050_defconfig
@@ -1,4 +1,5 @@
 CONFIG_ARM=y
+CONFIG_SKIP_LOWLEVEL_INIT=y
 CONFIG_ARCH_K3=y
 CONFIG_SPL_GPIO=y
 CONFIG_SPL_LIBCOMMON_SUPPORT=y
@@ -10,15 +11,16 @@
 CONFIG_ENV_SIZE=0x20000
 CONFIG_ENV_OFFSET=0x680000
 CONFIG_ENV_SECT_SIZE=0x20000
+CONFIG_SYS_MALLOC_LEN=0x2000000
 CONFIG_DM_GPIO=y
 CONFIG_SPL_DM_SPI=y
 CONFIG_DEFAULT_DEVICE_TREE="k3-am6528-iot2050-basic"
 CONFIG_SPL_TEXT_BASE=0x80080000
-CONFIG_SPL_SERIAL_SUPPORT=y
+CONFIG_SPL_SERIAL=y
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_ENV_OFFSET_REDUND=0x6a0000
 CONFIG_SPL_SPI_FLASH_SUPPORT=y
-CONFIG_SPL_SPI_SUPPORT=y
+CONFIG_SPL_SPI=y
 CONFIG_DISTRO_DEFAULTS=y
 # CONFIG_SYS_MALLOC_CLEAR_ON_INIT is not set
 CONFIG_SPL_LOAD_FIT=y