NFC: Add QCA199x NFC NCI device

Add QCA1990 NCI based Near Field Communication chip device.
The NFCC is controlled by sending messages from
user space via this driver which in turn talks
to i2c driver. This driver uses read, write, poll
functions for transferring messages. It is
registered as a misc device and it also
initialises certain NFCC configuration registers.

Change-Id: I20d5e64a460918f00a3035d558e292da1881aa0a
Acked-by: Umesh Jagga <ujagga@qti.qualcomm.com>
Signed-off-by: Madan Mohan Koyyalamudi <mkoyya@codeaurora.org>