Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/ti-emif-sram.h b/include/linux/ti-emif-sram.h
index 53604b0..2fc8541 100644
--- a/include/linux/ti-emif-sram.h
+++ b/include/linux/ti-emif-sram.h
@@ -55,6 +55,7 @@
 struct ti_emif_pm_functions {
 	u32 save_context;
 	u32 restore_context;
+	u32 run_hw_leveling;
 	u32 enter_sr;
 	u32 exit_sr;
 	u32 abort_sr;
@@ -126,6 +127,8 @@
 	       offsetof(struct ti_emif_pm_functions, save_context));
 	DEFINE(EMIF_PM_RESTORE_CONTEXT_OFFSET,
 	       offsetof(struct ti_emif_pm_functions, restore_context));
+	DEFINE(EMIF_PM_RUN_HW_LEVELING,
+	       offsetof(struct ti_emif_pm_functions, run_hw_leveling));
 	DEFINE(EMIF_PM_ENTER_SR_OFFSET,
 	       offsetof(struct ti_emif_pm_functions, enter_sr));
 	DEFINE(EMIF_PM_EXIT_SR_OFFSET,