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juno: Convert fp32 to u32 for CDCEL937 calculations

Darryl Green requested to merge github/fork/jimqui01/fp32-u32 into master

Created by: jimqui01

If the preset is not found in the lookup table it is calculated using the rate in MHz. To avoid floating point arithmetic and the associated memory cost we will simplify the (rate / MHz) calculation to be a uint32_t operation.

This results in a memory saving of approximately 1.5kb. As we should usually get a hit in the lookup table this is an acceptable trade-off.

Change-Id: I2e2a78f85bdb3cd9e35149a324000935d3d8ebb5 Signed-off-by: Jim Quigley

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