meta-nuvoton: npcm8xx: change uboot load address

For compatible with the newest IGPS 3.9.1 design for new memory map.
Thus, we need to change uboot load address.

Tested: build pass and boot successfully.

Signed-off-by: Tim Lee <timlee660101@gmail.com>
Change-Id: I6deefcde03855521a19b05bdf967004e9ba954c2
diff --git a/meta-nuvoton/conf/machine/include/npcm8xx.inc b/meta-nuvoton/conf/machine/include/npcm8xx.inc
index 35d6395..1d3ebae 100644
--- a/meta-nuvoton/conf/machine/include/npcm8xx.inc
+++ b/meta-nuvoton/conf/machine/include/npcm8xx.inc
@@ -9,8 +9,8 @@
 KERNEL_EXTRA_ARGS ?= "UIMAGE_LOADADDR=0x00008000"
 
 UBOOT_MACHINE ?= "ArbelEVB_defconfig"
-UBOOT_ENTRYPOINT ?= "0"
-UBOOT_LOADADDRESS ?= "0"
+UBOOT_ENTRYPOINT ?= "0x6200000"
+UBOOT_LOADADDRESS ?= "0x6200000"
 
 FLASH_SIZE ?= "32768"
 FLASH_UBOOT_OFFSET ?= "0"