UPSTREAM: clk: rockchip: fix the rk3399 sdmmc sample / drv name

UPSTREAM: clk: rockchip: fix the rk3399 sdmmc sample / drv name

The rk3399 clock table had a simple typo in it, calling the SDMMC sample
and drive clocks by the wrong name.  Fix this minor typo.

Change-Id: I154f70bd98b58bf3cc148043b11e4a8d18203816
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Acked-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Ziyuan Xu <xzy.xu@rock-chips.com>
(cherry picked from git.kernel.org/pub/scm/linux/kernel/git/clk/linux.git clk-next
 commit 84752e8d8ab6bb72feab96785e9366783b4b9787)