livepatch: rename config to CONFIG_LIVEPATCH

Rename CONFIG_LIVE_PATCHING to CONFIG_LIVEPATCH to make the naming of
the config and the code more consistent.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/samples/livepatch/Makefile b/samples/livepatch/Makefile
index 7f1cdc1..10319d7 100644
--- a/samples/livepatch/Makefile
+++ b/samples/livepatch/Makefile
@@ -1 +1 @@
-obj-$(CONFIG_SAMPLE_LIVE_PATCHING) += livepatch-sample.o
+obj-$(CONFIG_SAMPLE_LIVEPATCH) += livepatch-sample.o