staging: i2o: Use kstrdup rather than duplicating its implementation

The semantic patch that makes this change is available
in scripts/coccinelle/api/kstrdup.cocci

Signed-off-by: Abdul Hussain S <hussain.abdul@outlook.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed