at91sam92*: update defconfigs to use latest u-boot

Signed-off-by: Alexandre Belloni <alexandre.belloni@piout.net>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

configs/at91sam9260dfc_defconfig

@@ -9,17 +9,11 @@ BR2_PACKAGE_HOST_SAM_BA=y
 # First stage bootloader
 BR2_TARGET_AT91BOOTSTRAP=y
 BR2_TARGET_AT91BOOTSTRAP_BOARD="at91sam9260ek"
-BR2_TARGET_AT91BOOTSTRAP_DATAFLASH=y
 
 # Second stage bootloader
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARDNAME="at91sam9260ek_dataflash_cs0"
-BR2_TARGET_UBOOT_2011_12=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_USE_DEFCONFIG=y
 BR2_LINUX_KERNEL_DEFCONFIG="at91sam9260"
-
-# Filesystem
-BR2_TARGET_ROOTFS_TAR=y

configs/at91sam9261ek_defconfig

@@ -9,17 +9,11 @@ BR2_PACKAGE_HOST_SAM_BA=y
 # First stage bootloader
 BR2_TARGET_AT91BOOTSTRAP=y
 BR2_TARGET_AT91BOOTSTRAP_BOARD="at91sam9261ek"
-BR2_TARGET_AT91BOOTSTRAP_DATAFLASH=y
 
 # Second stage bootloader
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARDNAME="at91sam9261ek_dataflash_cs0"
-BR2_TARGET_UBOOT_2011_12=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_USE_DEFCONFIG=y
 BR2_LINUX_KERNEL_DEFCONFIG="at91sam9261"
-
-# Filesystem
-BR2_TARGET_ROOTFS_TAR=y

configs/at91sam9263ek_defconfig

@@ -9,17 +9,11 @@ BR2_PACKAGE_HOST_SAM_BA=y
 # First stage bootloader
 BR2_TARGET_AT91BOOTSTRAP=y
 BR2_TARGET_AT91BOOTSTRAP_BOARD="at91sam9263ek"
-BR2_TARGET_AT91BOOTSTRAP_DATAFLASH=y
 
 # Second stage bootloader
 BR2_TARGET_UBOOT=y
 BR2_TARGET_UBOOT_BOARDNAME="at91sam9263ek_dataflash_cs0"
-BR2_TARGET_UBOOT_2011_12=y
 
 # Kernel
 BR2_LINUX_KERNEL=y
-BR2_LINUX_KERNEL_USE_DEFCONFIG=y
 BR2_LINUX_KERNEL_DEFCONFIG="at91sam9263"
-
-# Filesystem
-BR2_TARGET_ROOTFS_TAR=y