phy: rockchip: snps-pcie3: Refactor to use clk_bulk API

Change to use clk_bulk API and syscon_regmap_lookup_by_phandle to
simplify in preparation for upcoming support of a RK3588 variant.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
1 file changed