PREFERRED_PROVIDER_virtual/kernel = "linux"
PREFERRED_VERSION_linux = "2.6.28"
-PREFERRED_PROVIDER_xserver = "xserver-kdrive"
KERNEL_IMAGETYPE = "uImage"
-PREFERRED_VERSION_u-boot = "2009.01"
UBOOT_MACHINE = "at91sam9g20ek_config"
PREFERRED_VERSION_at91bootstrap = "2.10"