Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index cf86408..97c0e19 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -118,4 +118,4 @@
 obj-$(CONFIG_SPARC64)	+= $(pc--y)
 
 obj-$(CONFIG_UPROBES)	+= uprobes.o
-obj-$(CONFIG_SPARC64)	+= jump_label.o
+obj-$(CONFIG_JUMP_LABEL) += jump_label.o