Since ssdk5440 and sd5v1 have 8GiB memory, this patch
updates bootargs for them.
Signed-off-by: NSubash Patel <subash.rp@samsung.com>
Signed-off-by: NJungseok Lee <jays.lee@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>