uboot-imx

MLK-14483 mx7ulp: Fix SPLL/APLL clock rate calculation issue

The num/denom is a float value, but in the calculation it is convert
to integer 0, and cause the result wrong.

Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit 4a8f51499ca098637e9ee2036066374d34458865)
(cherry picked from commit 65e74eb0b354cb01c8422f30f9e14dead42201b9)
(cherry picked from commit a84ceb62b8c7e45353cccecf527e3471dada5b7a)