Add the default kernel bootargs according to our NAND flash demo layout:
http://www.at91.com/linux4sam/bin/view/Linux4SAM/Sama5d2PtcEKMainPage#NAND_Flash_demo_Memory_map
Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2"
CONFIG_NAND_BOOT=y
CONFIG_BOOTDELAY=3
+CONFIG_USE_BOOTARGS=y
+CONFIG_BOOTARGS="console=ttyS0,115200 earlyprintk mtdparts=atmel_nand:256k(bootstrap)ro,768k(uboot)ro,256K(env_redundant),256k(env),512k(dtb),6M(kernel)ro,-(rootfs) rootfstype=ubifs ubi.mtd=6 root=ubi0:rootfs"
CONFIG_CONSOLE_MUX=y
CONFIG_MISC_INIT_R=y
# CONFIG_DISPLAY_BOARDINFO is not set