dt-bindings: clock: exynosautov9: add fsys1 clock definitions

Add fsys1(for usb and mmc) clock definitions.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/debb6335cb2bcc935f7572bed25d76a85e80cfaa.1659054220.git.chanho61.park@samsung.com