dt-bindings: soc: samsung: exynos-sysreg: add dedicated SYSREG compatibles to Exynos5433

dt-bindings: soc: samsung: exynos-sysreg: add dedicated SYSREG compatibles to Exynos5433

Exynos5433 has several different SYSREGs, so use dedicated compatibles
for them and deprecate usage of generic Exynos5433 compatible alone (as
it is too generic).

Reviewed-by: Sam Protsenko <semen.protsenko@linaro.org>
Reviewed-by: Sriranjani P <sriranjani.p@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20221127123259.20339-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>