Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/hwtracing/stm/Makefile b/drivers/hwtracing/stm/Makefile
index effc19e..1692fcd 100644
--- a/drivers/hwtracing/stm/Makefile
+++ b/drivers/hwtracing/stm/Makefile
@@ -3,6 +3,12 @@
 
 stm_core-y		:= core.o policy.o
 
+obj-$(CONFIG_STM_PROTO_BASIC) += stm_p_basic.o
+obj-$(CONFIG_STM_PROTO_SYS_T) += stm_p_sys-t.o
+
+stm_p_basic-y		:= p_basic.o
+stm_p_sys-t-y		:= p_sys-t.o
+
 obj-$(CONFIG_STM_DUMMY)	+= dummy_stm.o
 
 obj-$(CONFIG_STM_SOURCE_CONSOLE)	+= stm_console.o