clk: sunxi-ng: h6: Allow I2S to change parent rate

I2S doesn't work if parent rate couldn't be change. Difference between
wanted and actual rate is too big.

Fix this by adding CLK_SET_RATE_PARENT flag to I2S clocks.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Signed-off-by: Marcus Cooper <codekipper@gmail.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

drivers/clk/sunxi-ng/ccu-sun50i-h6.c

@@ -505,7 +505,7 @@ static struct ccu_div i2s3_clk = {
 		.hw.init	= CLK_HW_INIT_PARENTS("i2s3",
 						      audio_parents,
 						      &ccu_div_ops,
-						      0),
+						      CLK_SET_RATE_PARENT),
 	},
 };
 
@@ -518,7 +518,7 @@ static struct ccu_div i2s0_clk = {
 		.hw.init	= CLK_HW_INIT_PARENTS("i2s0",
 						      audio_parents,
 						      &ccu_div_ops,
-						      0),
+						      CLK_SET_RATE_PARENT),
 	},
 };
 
@@ -531,7 +531,7 @@ static struct ccu_div i2s1_clk = {
 		.hw.init	= CLK_HW_INIT_PARENTS("i2s1",
 						      audio_parents,
 						      &ccu_div_ops,
-						      0),
+						      CLK_SET_RATE_PARENT),
 	},
 };
 
@@ -544,7 +544,7 @@ static struct ccu_div i2s2_clk = {
 		.hw.init	= CLK_HW_INIT_PARENTS("i2s2",
 						      audio_parents,
 						      &ccu_div_ops,
-						      0),
+						      CLK_SET_RATE_PARENT),
 	},
 };