common: Allow a smaller console-recording pre-reloc

Before relocation there is generally not as much available memory and not
that much console output. At present the console-output buffer is the same
side before and after relocation. Add a separate Kconfig option to remove
this limitation.

Signed-off-by: Simon Glass <sjg@chromium.org>

common/console.c

@@ -735,7 +735,9 @@ int console_record_init(void)
 	int ret;
 
 	ret = membuff_new((struct membuff *)&gd->console_out,
-			  CONFIG_CONSOLE_RECORD_OUT_SIZE);
+			  gd->flags & GD_FLG_RELOC ?
+				  CONFIG_CONSOLE_RECORD_OUT_SIZE :
+				  CONFIG_CONSOLE_RECORD_OUT_SIZE_F);
 	if (ret)
 		return ret;
 	ret = membuff_new((struct membuff *)&gd->console_in,