clk: mxs: rename the gpmi clock for imx28

rename the clock name from `8000c000.gpmi` to `8000c000.gpmi-nand`.

Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
1 file changed