misc: (at24) move header to linux/platform_data/

This patch moves the at24.h header from include/linux/i2c to
include/linux/platform_data and updates existing support accordingly.

It also fixes the following checkpatch warning:

    WARNING: please, no space before tabs
    #436: FILE: include/linux/platform_data/at24.h:31:
    + * ^Iu8 *mac_addr = ethernet_pdata->mac_addr;$

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
diff --git a/include/linux/i2c/at24.h b/include/linux/platform_data/at24.h
similarity index 97%
rename from include/linux/i2c/at24.h
rename to include/linux/platform_data/at24.h
index 285025a..c42aa89 100644
--- a/include/linux/i2c/at24.h
+++ b/include/linux/platform_data/at24.h
@@ -28,7 +28,7 @@
  *
  * void get_mac_addr(struct memory_accessor *mem_acc, void *context)
  * {
- * 	u8 *mac_addr = ethernet_pdata->mac_addr;
+ *	u8 *mac_addr = ethernet_pdata->mac_addr;
  *	off_t offset = context;
  *
  *	// Read MAC addr from EEPROM