clk: iproc: Fix PLL output frequency calculation

clk: iproc: Fix PLL output frequency calculation

commit 63243a4da7d0dfa19dcacd0a529782eeb2f86f92 upstream.

This patch affects the clocks that use fractional ndivider in their
PLL output frequency calculation. Instead of 2^20 divide factor, the
clock's ndiv integer shift was used. Fixed the bug by replacing ndiv
integer shift with 2^20 factor.

Signed-off-by: Simran Rai <ssimran@broadcom.com>
Signed-off-by: Ray Jui <rjui@broadcom.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
Fixes: 5fe225c105fd ("clk: iproc: add initial common clock support")
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>