uboot: remove deprecated BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR option

It's been deprecated for a year now so remove it.

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

Config.in.legacy

@@ -145,6 +145,13 @@ endif
 ###############################################################################
 comment "Legacy options removed in 2016.05"
 
+config BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR
+	bool "uboot custom patch dir removed"
+	select BR2_LEGACY
+	help
+	  The uboot custom patch directory option has been removed. Use
+	  the improved BR2_TARGET_UBOOT_PATCH option instead.
+
 config BR2_PACKAGE_XDRIVER_XF86_INPUT_VOID
 	bool "xf86-input-void removed"
 	select BR2_LEGACY

boot/uboot/Config.in

@@ -90,18 +90,6 @@ config BR2_TARGET_UBOOT_VERSION
 	default BR2_TARGET_UBOOT_CUSTOM_REPO_VERSION \
 		if BR2_TARGET_UBOOT_CUSTOM_GIT || BR2_TARGET_UBOOT_CUSTOM_HG
 
-config BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR
-	string "custom patch dir"
-	depends on BR2_DEPRECATED_SINCE_2015_05
-	help
-	  If your board requires custom patches, add the path to the
-	  directory containing the patches here. The patches must be
-	  named uboot-<something>.patch.
-
-	  Most users may leave this empty
-
-	  NOTE: Use BR2_TARGET_UBOOT_PATCH instead.
-
 config BR2_TARGET_UBOOT_PATCH
 	string "Custom U-Boot patches"
 	help

boot/uboot/uboot.mk

@@ -100,16 +100,6 @@ endef
 UBOOT_POST_EXTRACT_HOOKS += UBOOT_COPY_OLD_LICENSE_FILE
 UBOOT_POST_RSYNC_HOOKS += UBOOT_COPY_OLD_LICENSE_FILE
 
-# Prior to Buildroot 2015.05, only patch directories were supported. New
-# configurations use BR2_TARGET_UBOOT_PATCH instead.
-ifneq ($(call qstrip,$(BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR)),)
-define UBOOT_APPLY_CUSTOM_PATCHES
-	$(APPLY_PATCHES) $(@D) $(BR2_TARGET_UBOOT_CUSTOM_PATCH_DIR) \*.patch
-endef
-
-UBOOT_POST_PATCH_HOOKS += UBOOT_APPLY_CUSTOM_PATCHES
-endif
-
 # Analogous code exists in linux/linux.mk. Basically, the generic
 # package infrastructure handles downloading and applying remote
 # patches. Local patches are handled depending on whether they are