nvmem: add driver for Microchip 24AA025E48 I2C eeprom / nodeID chip

[Felix Brack]

Hello,

About three years ago I wrote a driver for Microchip's 24AA025E48 I2C
eeprom/nodeID chip. At that time I placed the source files in
drivers/misc/eeprom. I never posted the code.
I now plan to rewrite the driver from scratch. Is it correct to place
the source code in drivers/nvmem and is there a special mailing list to
which the patch should be posted when ready?

many thanks and kind regards, Felix