ASoC: Use cpu_to_be16() in 8x16 write

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c
index dab109f..9c688b8 100644
--- a/sound/soc/soc-cache.c
+++ b/sound/soc/soc-cache.c
@@ -192,10 +192,10 @@
 			      unsigned int value)
 {
 	u8 data[3];
+	u16 val = cpu_to_be16(value);
 
 	data[0] = reg;
-	data[1] = (value >> 8) & 0xff;
-	data[2] = value & 0xff;
+	memcpy(&data[1], &val, sizeof(val));
 
 	return do_hw_write(codec, reg, value, data, 3);
 }