Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/clk/qcom/clk-branch.c b/drivers/clk/qcom/clk-branch.c
index bc2205c..f869fc6 100644
--- a/drivers/clk/qcom/clk-branch.c
+++ b/drivers/clk/qcom/clk-branch.c
@@ -18,7 +18,7 @@
 	u32 val;
 
 	if (!br->hwcg_reg)
-		return 0;
+		return false;
 
 	regmap_read(br->clkr.regmap, br->hwcg_reg, &val);
 
@@ -146,6 +146,12 @@
 };
 EXPORT_SYMBOL_GPL(clk_branch2_ops);
 
+const struct clk_ops clk_branch2_aon_ops = {
+	.enable = clk_branch2_enable,
+	.is_enabled = clk_is_enabled_regmap,
+};
+EXPORT_SYMBOL_GPL(clk_branch2_aon_ops);
+
 const struct clk_ops clk_branch_simple_ops = {
 	.enable = clk_enable_regmap,
 	.disable = clk_disable_regmap,