[PATCH] regmap: Include linux/device.h to fix build error

[Axel Lin <axel.lin@gmail.com>]

Fix below build error:

  CC      drivers/base/regmap/regmap.o
drivers/base/regmap/regmap.c: In function 'devm_regmap_init':
drivers/base/regmap/regmap.c:331: error: implicit declaration of function 'devres_alloc'
drivers/base/regmap/regmap.c:331: warning: assignment makes pointer from integer without a cast
drivers/base/regmap/regmap.c:338: error: implicit declaration of function 'devres_add'
drivers/base/regmap/regmap.c:340: error: implicit declaration of function 'devres_free'
drivers/base/regmap/regmap.c: In function '_regmap_raw_write':
drivers/base/regmap/regmap.c:421: error: implicit declaration of function 'dev_err'
make[3]: *** [drivers/base/regmap/regmap.o] Error 1
make[2]: *** [drivers/base/regmap] Error 2
make[1]: *** [drivers/base] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
This patch is against linux-next 20120309.

 drivers/base/regmap/regmap.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c
index e1a4097..3b09587 100644
--- a/drivers/base/regmap/regmap.c
+++ b/drivers/base/regmap/regmap.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/slab.h>
+#include <linux/device.h>
 #include <linux/export.h>
 #include <linux/mutex.h>
 #include <linux/err.h>
-- 
1.7.5.4