clk: s2mps11: merge two for loops in one

The driver already loops once, there is no reason to loop again
for a different purpose. Merge the second loop into the first.

Signed-off-by: Andi Shyti <andi.shyti@samsung.com>
Reviewed-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>