debug_uart: Remove duplicated carriage return handling

Since commit b391d74 "debug_uart: output CR along with LF", the
handling in puts() is duplicated, not to mention that it should
output carriage return before line feed.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

common/console.c

@@ -515,8 +515,6 @@ void puts(const char *s)
 			int ch = *s++;
 
 			printch(ch);
-			if (ch == '\n')
-				printch('\r');
 		}
 		return;
 	}