configs/kontron_mx6ul_defconfig:

* correct NOR SPI U-Boot offset (128k)
* set sf default speed to 10Mhz

configs/kontron_mx6ul_defconfig

@@ -29,7 +29,7 @@ CONFIG_SPL_SEPARATE_BSS=y
 CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR=0x8A
 CONFIG_SPL_NOR_SUPPORT=y
 CONFIG_SPL_SPI_LOAD=y
-CONFIG_SYS_SPI_U_BOOT_OFFS=0x10000
+CONFIG_SYS_SPI_U_BOOT_OFFS=0x20000
 CONFIG_SPL_USB_HOST_SUPPORT=y
 CONFIG_SPL_USB_GADGET=y
 CONFIG_SPL_USB_SDP_SUPPORT=y
@@ -73,7 +73,7 @@ CONFIG_MTD_SPI_NAND=y
 CONFIG_DM_SPI_FLASH=y
 CONFIG_SF_DEFAULT_BUS=1
 CONFIG_SF_DEFAULT_MODE=0
-CONFIG_SF_DEFAULT_SPEED=50000000
+CONFIG_SF_DEFAULT_SPEED=10000000
 CONFIG_SPI_FLASH_MACRONIX=y
 CONFIG_SPI_FLASH_WINBOND=y
 CONFIG_SPI_FLASH_MTD=y