drm/amd/display: Update hook dcn32_funcs

In DCN32 clk hook functions, we are using the wrong reference for
get_dp_ref_clk_frequency and missing the get_dtb_ref_clk_frequency
reference. This commit adds those references.
Tested-by: NDaniel Wheeler <daniel.wheeler@amd.com>
Reviewed-by: NAurabindo Pillai <aurabindo.pillai@amd.com>
Signed-off-by: NRodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/clk_mgr/dcn32/dcn32_clk_mgr.c

@@ -768,7 +768,8 @@ static bool dcn32_is_smu_present(struct clk_mgr *clk_mgr_base)
 
 
 static struct clk_mgr_funcs dcn32_funcs = {
-		.get_dp_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz,
+		.get_dp_ref_clk_frequency = dce12_get_dp_ref_freq_khz,
+		.get_dtb_ref_clk_frequency = dcn31_get_dtb_ref_freq_khz,
 		.update_clocks = dcn32_update_clocks,
 		.dump_clk_registers = dcn32_dump_clk_registers,
 		.init_clocks = dcn32_init_clocks,