[POWERPC] Fix i2c device string format

Use strlcpy() to guarantee strings in i2c device type and driver_name
fields are 0-terminated.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mackerras <paulus@samba.org>
1 file changed