MIPS: QCA AP121: remove debug_uart_init call

In order to add a generic MIPS debug_uart_init call right before the call to
board_early_init_f, we need to remove all calls to debug_uart_init from every
MIPS boards.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

board/qca/ap121/ap121.c

@@ -43,9 +43,6 @@ void board_debug_uart_init(void)
 
 int board_early_init_f(void)
 {
-#ifdef CONFIG_DEBUG_UART
-	debug_uart_init();
-#endif
 	ddr_init();
 	ath79_eth_reset();
 	return 0;