AM625: Disable MAIN_UART1 in TIFS firmware

Hi Nancy,

Please apply the following patch to the SDK board-support/k3-image-gen-2022.01/, then rebuild u-boot. This should prevent TIFS using MAIN_UART1.

--- soc/am62x/evm/board-cfg.c.orig      2023-06-30 09:17:09.910434836 -0500
+++ soc/am62x/evm/board-cfg.c   2023-06-30 09:18:07.096173838 -0500
@@ -78,7 +78,7 @@
                        .size = sizeof(struct boardcfg_dbg_cfg),
                },
 #ifdef ENABLE_TRACE
-               .trace_dst_enables = BOARDCFG_TRACE_DST_UART0 |
+               .trace_dst_enables =
                                     BOARDCFG_TRACE_DST_ITM |
                                     BOARDCFG_TRACE_DST_MEM,
                .trace_src_enables = BOARDCFG_TRACE_SRC_PM |