dt-bindings: i2c: exynos5: add samsung,exynos8890-hsi2c compatible

Add samsung,exynos8890-hsi2c compatible, reusing the 8895 support
since it's compatible with exynos8890's i2c controllers.

Signed-off-by: Ivaylo Ivanov <[e-mail]>
Acked-by: Rob Herring (Arm) <[e-mail]>
Signed-off-by: Wolfram Sang <[e-mail]>

Documentation/devicetree/bindings/i2c/i2c-exynos5.yaml

···
           - const: samsung,exynos7-hsi2c
       - items:
           - enum:
+              - samsung,exynos8890-hsi2c
+          - const: samsung,exynos8895-hsi2c
+      - items:
+          - enum:
               - google,gs101-hsi2c
               - samsung,exynos2200-hsi2c
               - samsung,exynos850-hsi2c