spl: remove SSC to fix blinking HDMI

Signed-off-by: Mikhail Vanyulin <mikhail.vanyulin@rtsoft.de>

board/seco/imx8mm_myon2/spl.c

@@ -342,6 +342,7 @@ void board_init_f(ulong dummy)
 	/* DDR initialization */
 	spl_dram_init();
 
+#if 0
 	if (seco_fuse_GetPCBrevision() < SECO_FUSE_PCBREV_V2R2)
 		/* Hardcode spread spectrum on VideoPLL1 30kHz, 2%, centered
 		 * used for lvds signals via MIPI-to-LVDS converter
@@ -350,6 +351,7 @@ void board_init_f(ulong dummy)
 		ssc_state_video_pll(true, 0x80019052);
 	else
 		ssc_state_video_pll(false, 0x80019052);
+#endif
 
 	max_freq = get_cpu_speed_grade_hz();
 	if (max_freq) {