nvmem: sunxi: Move the SID driver to the nvmem framework

Now that we have the nvmem framework, we can consolidate the common
driver code. Move the driver to the framework, and hopefully, it will
fix the sysfs file creation race.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
[srinivas.kandagatla: Moved to regmap based EEPROM framework]
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Tested-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/eeprom/Kconfig

@@ -96,17 +96,4 @@ config EEPROM_DIGSY_MTC_CFG
 
 	  If unsure, say N.
 
-config EEPROM_SUNXI_SID
-	tristate "Allwinner sunxi security ID support"
-	depends on ARCH_SUNXI && SYSFS
-	help
-	  This is a driver for the 'security ID' available on various Allwinner
-	  devices.
-
-	  Due to the potential risks involved with changing e-fuses,
-	  this driver is read-only.
-
-	  This driver can also be built as a module. If so, the module
-	  will be called sunxi_sid.
-
 endmenu