clk: samsung: exynos5250: Simplify registration of PLL rate tables
clk: samsung: exynos5250: Simplify registration of PLL rate tables

Since the _get_rate() helper has been modified to use __clk_lookup()
internally, checking of PLL input rates can be done using it and so the
registration code can be simplified.

Signed-off-by: Tomasz Figa <c4885e520559c7b5b4fe1e9e188b924d2debd35e@samsung.com>
Signed-off-by: Kyungmin Park <504c23c4986a3760712724894be3105092c27331@samsung.com>
Reviewed-by: Sylwester Nawrocki <1ca386fdc5066df13f7236f0837f22126191d06b@samsung.com>
Signed-off-by: Mike Turquette <6dab61939fc5e23761050a66932f032dceda5ebf@linaro.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs