Rename dump_kernel_config.a to libdump_kernel_config.a.

It should have been named this way from the beginning.

TEST=Made/emerged. Since it's only used at build time, this is sufficient.
BUG=None

Change-Id: I60cc6510e8494e3dde852efbdcb5af156e7400ac
Reviewed-on: https://gerrit.chromium.org/gerrit/15835
Reviewed-by: Sonny Rao <sonnyrao@chromium.org>
Tested-by: Don Garrett <dgarrett@chromium.org>
Commit-Ready: Don Garrett <dgarrett@chromium.org>
Reviewed-by: Don Garrett <dgarrett@chromium.org>
diff --git a/Makefile b/Makefile
index f8144b5..d939768 100644
--- a/Makefile
+++ b/Makefile
@@ -83,7 +83,7 @@
 export BUILD ?= ${TOP}/build
 export FWLIB = ${BUILD}/vboot_fw.a
 export HOSTLIB = ${BUILD}/vboot_host.a
-export DUMPKERNELCONFIGLIB = ${BUILD}/dump_kernel_config.a
+export DUMPKERNELCONFIGLIB = ${BUILD}/libdump_kernel_config.a
 
 ifeq ($(FIRMWARE_ARCH),)
 SUBDIRS = firmware host utility cgpt tests tests/tpm_lite