rockchip: spl: Drop out of scope debug message related to uart init

Debug uart is no more inited in board_init_f function: remove this
debug message from board_init_f. If an earliest-as-possible message
after debug uart initialization is needed, enable DEBUG_UART_ANNOUNCE
Kconfig option, instead.

Signed-off-by: Massimo Pegorer <massimo.pegorer+oss@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/spl.c b/arch/arm/mach-rockchip/spl.c
index a6396b3..87280e2 100644
--- a/arch/arm/mach-rockchip/spl.c
+++ b/arch/arm/mach-rockchip/spl.c
@@ -112,17 +112,6 @@
 {
 	int ret;
 
-#ifdef CONFIG_DEBUG_UART
-	/*
-	 * Debug UART can be used from here if required:
-	 *
-	 * printch('a');
-	 * printhex8(0x1234);
-	 * printascii("string");
-	 */
-	debug("\nspl:debug uart enabled in %s\n", __func__);
-#endif
-
 	board_early_init_f();
 
 	ret = spl_early_init();