What:		/sys/bus/nvmem/devices/.../nvmem
Date:		July 2015
KernelVersion:  4.2
Contact:	Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Description:
		This file allows user to read/write the raw NVMEM contents.
		Permissions for write to this file depends on the nvmem
		provider configuration.
		Note: This file is only present if CONFIG_NVMEM_SYSFS
		is enabled

		ex:
		hexdump /sys/bus/nvmem/devices/qfprom0/nvmem

		0000000 0000 0000 0000 0000 0000 0000 0000 0000
		*
		00000a0 db10 2240 0000 e000 0c00 0c00 0000 0c00
		0000000 0000 0000 0000 0000 0000 0000 0000 0000
		...
		*
		0001000