Add fusemap header for VF610 and move out fuse definitions that are
shared with i.MX6 familiy into a sperate file (ocotp-fusemap.h).

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

According to the datasheet SJC_RESP_LOCK is one bit wide, adjust the
definition correspondingly.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

Add functions to access the OCOTP fuses field wise, similar to what has
been done for the IIM. Also add a i.MX6 fusemap header file.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>