mtdutils: fix rk3xhack filter

Just fix filter for correct platform

Signed-off-by: Humberto Borba <humberos@gmail.com>
Change-Id: I1f0978a6b215a1967dad4a2c495777d917865b88
Refresh after partition changes

Change-Id: Id16c84f815b1c4b8e95da142648a5a759116ee6e