Change in coreboot[master]: soc/sifive/fu540: Remove PLL parameters from sdram.c

[Philipp Hug (Code Review)]

Philipp Hug has posted comments on this change. ( https://review.coreboot.org/28710 )

Change subject: soc/sifive/fu540: Remove PLL parameters from sdram.c
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Patch Set 1: Code-Review+1

Thanks!