boot/at91bootstrap3: handle generated defconfigs

Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
[yann.morin.1998@free.fr: move the kconfig-package hunk to the
 corresponding patch]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

boot/at91bootstrap3/at91bootstrap3.mk

@@ -41,12 +41,11 @@ define AT91BOOTSTRAP3_INSTALL_IMAGES_CMDS
 endef
 
 ifeq ($(BR2_TARGET_AT91BOOTSTRAP3_USE_DEFCONFIG),y)
-AT91BOOTSTRAP3_SOURCE_CONFIG = $(AT91BOOTSTRAP3_DIR)/board/*/$(call qstrip,$(BR2_TARGET_AT91BOOTSTRAP3_DEFCONFIG))_defconfig
+AT91BOOTSTRAP3_KCONFIG_DEFCONFIG = $(call qstrip,$(BR2_TARGET_AT91BOOTSTRAP3_DEFCONFIG))_defconfig
 else ifeq ($(BR2_TARGET_AT91BOOTSTRAP3_USE_CUSTOM_CONFIG),y)
-AT91BOOTSTRAP3_SOURCE_CONFIG = $(call qstrip,$(BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_CONFIG_FILE))
+AT91BOOTSTRAP3_KCONFIG_FILE = $(call qstrip,$(BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_CONFIG_FILE))
 endif
 
-AT91BOOTSTRAP3_KCONFIG_FILE = $(AT91BOOTSTRAP3_SOURCE_CONFIG)
 AT91BOOTSTRAP3_KCONFIG_EDITORS = menuconfig xconfig gconfig
 AT91BOOTSTRAP3_KCONFIG_OPTS = $(AT91BOOTSTRAP3_MAKE_OPTS)
 
@@ -55,13 +54,16 @@ AT91BOOTSTRAP3_KCONFIG_OPTS = $(AT91BOOTSTRAP3_MAKE_OPTS)
 ifeq ($(BR_BUILDING),y)
 
 ifeq ($(BR2_TARGET_AT91BOOTSTRAP3_USE_DEFCONFIG),y)
-ifeq ($(call qstrip,$(BR2_TARGET_AT91BOOTSTRAP3_DEFCONFIG)),)
+# We must use the user-supplied kconfig value, because
+# AT91BOOTSTRAP3_KCONFIG_DEFCONFIG will at least contain
+# the trailing _defconfig
+ifeq ($(AT91BOOTSTRAP3_KCONFIG_DEFCONFIG),)
 $(error No at91bootstrap3 defconfig name specified, check your BR2_TARGET_AT91BOOTSTRAP3_DEFCONFIG setting)
 endif
 endif
 
 ifeq ($(BR2_TARGET_AT91BOOTSTRAP3_USE_CUSTOM_CONFIG),y)
-ifeq ($(call qstrip,$(BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_CONFIG_FILE)),)
+ifeq ($(AT91BOOTSTRAP3_KCONFIG_FILE),)
 $(error No at91bootstrap3 configuration file specified, check your BR2_TARGET_AT91BOOTSTRAP3_CUSTOM_CONFIG_FILE setting)
 endif
 endif