scsi: ufs: dt-bindings: qcom: Drop redundant "reg" constraints

The "reg" in top-level has maxItems:2, thus repeating this in "if:then:"
blocks is redundant. Similarly number of items cannot be less than 1.

Signed-off-by: Krzysztof Kozlowski <[e-mail]>
Acked-by: Rob Herring (Arm) <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Martin K. Petersen <[e-mail]>

Documentation/devicetree/bindings/ufs/qcom,ufs.yaml

···
             - const: ice_core_clk
         reg:
           minItems: 2
-          maxItems: 2
         reg-names:
           minItems: 2
       required:
···
             - const: tx_lane0_sync_clk
             - const: rx_lane0_sync_clk
         reg:
-          minItems: 1
           maxItems: 1
         reg-names:
           maxItems: 1
···
             - const: ice_core_clk
         reg:
           minItems: 2
-          maxItems: 2
         reg-names:
           minItems: 2
       required: