clk: nxp: lpc18xx-cgu: convert from round_rate() to determine_rate()

[ Upstream commit b46a3d32 ]

The round_rate() clk ops is deprecated, so migrate this driver from
round_rate() to determine_rate() using the Coccinelle semantic patch
on the cover letter of this series.

Signed-off-by: Brian Masney <bmasney@redhat.com>
Stable-dep-of: 1624dead ("clk: nxp: Fix pll0 rate check condition in LPC18xx CGU driver")
Signed-off-by: Sasha Levin <sashal@kernel.org>