Fix Soekris net4521 kernel config location

target/device/Soekris/net4521/linux.mk

@@ -37,7 +37,7 @@ LINUX_BINLOC=arch/$(LINUX_KARCH)/boot/$(LINUX_FORMAT)
 LINUX_DIR=$(BUILD_DIR)/linux-$(LINUX_VERSION)
 LINUX_SOURCE=linux-$(DOWNLOAD_LINUX_VERSION).tar.bz2
 LINUX_SITE=http://www.kernel.org/pub/linux/kernel/v2.4
-LINUX_KCONFIG=package/linux/linux.config
+LINUX_KCONFIG=target/device/Soekris/net4521/linux.config
 LINUX_KERNEL=$(BUILD_DIR)/buildroot-kernel
 # Used by pcmcia-cs and others
 LINUX_SOURCE_DIR=$(LINUX_DIR)