dt-bindings: clock: exynosautov9: fix reference to CMU_FSYS1

Fix reference to CMU_FSYS1 mmc card clock to gout clock instead of dout.

"gout" is output of a gate clock. Unlike any other clocks, the fsys1
mmc top clock does not have a divider, so it should be "mout -> gout"
instead of "mout -> gout -> dout".

This fixes make dtbs_check warning as shown below:

arch/arm64/boot/dts/exynos/exynosautov9-sadk.dtb: clock-controller@17040000:
clock-names:2: 'dout_clkcmu_fsys1_mmc_card' was expected

Fixes: 4b6ec8d88623 ("dt-bindings: clock: exynosautov9: add schema for cmu_fsys0/1")
Reviewed-by: Chanho Park <[e-mail]>
Signed-off-by: Inbaraj E <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Krzysztof Kozlowski <[e-mail]>

Documentation/devicetree/bindings/clock/samsung,exynosautov9-clock.yaml

···
           items:
             - const: oscclk
             - const: dout_clkcmu_fsys1_bus
-            - const: dout_clkcmu_fsys1_mmc_card
+            - const: gout_clkcmu_fsys1_mmc_card
             - const: dout_clkcmu_fsys1_usbdrd
 
   - if: