meta-nuvoton: evb-npcm845: add FLASH_UBOOT_ENV_OFFSET

Signed-off-by: Tim Lee <timlee660101@gmail.com>
Change-Id: I058871b8f6cd943af32dbec32cd8b0db6ada8d85
diff --git a/meta-nuvoton/conf/machine/include/npcm8xx.inc b/meta-nuvoton/conf/machine/include/npcm8xx.inc
index d3cb516..16bce5b 100644
--- a/meta-nuvoton/conf/machine/include/npcm8xx.inc
+++ b/meta-nuvoton/conf/machine/include/npcm8xx.inc
@@ -13,6 +13,7 @@
 
 FLASH_SIZE ?= "32768"
 FLASH_UBOOT_OFFSET ?= "0"
+FLASH_UBOOT_ENV_OFFSET = "1024"
 FLASH_KERNEL_OFFSET ?= "2048"
 FLASH_ROFS_OFFSET ?= "8192"
 FLASH_RWFS_OFFSET ?= "31744"