Remove duplication of default kernel patch dir setting

target/device/AMD/DBAu1500/linux26.mk

@@ -30,7 +30,8 @@ LINUX26_KERNEL=linux-kernel-$(LINUX26_VERSION)-$(KERNEL_ARCH).srec
 LINUX26_DIR=$(BUILD_DIR)/linux-$(LINUX26_VERSION)
 
 # kernel patches
-LINUX26_PATCH_DIR=target/device/AMD/DBAu1500/kernel-patches/
+# This is default anyway
+# LINUX26_PATCH_DIR=$(BOARD_PATH)/kernel-patches/
 
 LINUX26_MAKE_FLAGS = $(TARGET_CONFIGURE_OPTS) ARCH=$(KERNEL_ARCH) \
 	PATH=$(TARGET_PATH) INSTALL_MOD_PATH=$(TARGET_DIR) \