Using kfree to free data allocated with devm_kzalloc causes double frees.

The Coccinelle semantic patch that fixes this problem is as follows:

// <smpl>
@@
expression x;
@@

x = devm_kzalloc(...)
...
?-kfree(x);
// </smpl>
Reviewed-by: NJingoo Han <jg1.han@samsung.com>
Acked-by: NJulia Lawall <julia.lawall@lip6.fr>
Signed-off-by: NHimangi Saraogi <himangi774@gmail.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>