[ALSA] cs5535audio: move sound/driver.h to the top

Modules: CS5535 driver

Move the #include of <sound/driver.h> to the top which is
required for compilation on earlier kernels.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
diff --git a/sound/pci/cs5535audio/cs5535audio.c b/sound/pci/cs5535audio/cs5535audio.c
index 1899356..202c7cf 100644
--- a/sound/pci/cs5535audio/cs5535audio.c
+++ b/sound/pci/cs5535audio/cs5535audio.c
@@ -21,6 +21,7 @@
  *
  */
 
+#include <sound/driver.h>
 #include <linux/delay.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
@@ -28,7 +29,6 @@
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
 #include <asm/io.h>
-#include <sound/driver.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/pcm.h>