Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/drivers/clk/spear/spear1340_clock.c b/drivers/clk/spear/spear1340_clock.c
index e5bc8c8..9163bbb 100644
--- a/drivers/clk/spear/spear1340_clock.c
+++ b/drivers/clk/spear/spear1340_clock.c
@@ -335,7 +335,7 @@
 };
 
 /* i2s sclk (bit clock) syynthesizers masks */
-static struct aux_clk_masks i2s_sclk_masks = {
+static const struct aux_clk_masks i2s_sclk_masks = {
 	.eq_sel_mask = AUX_EQ_SEL_MASK,
 	.eq_sel_shift = SPEAR1340_I2S_SCLK_EQ_SEL_SHIFT,
 	.eq1_mask = AUX_EQ1_SEL,