video: restore CONFIG_VIDCONSOLE_AS_LCD as boolean

This patch restores CONFIG_VIDCONSOLE_AS_LCD as boolean
and introduce a separate sting as CONFIG_VIDCONSOLE_AS_NAME
to search this string in stdout used as videoconsole.

This patch avoid issue with board defconfig or code expecting
CONFIG_VIDCONSOLE_AS_LCD as boolean.

Fixes: 22b897a12323 ("video: extend stdout video console work-around for 'vga'")
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
diff --git a/common/console.c b/common/console.c
index f149624..7b98169 100644
--- a/common/console.c
+++ b/common/console.c
@@ -713,7 +713,7 @@
 
 	dev = stdio_get_by_name(name);
 #ifdef CONFIG_VIDCONSOLE_AS_LCD
-	if (!dev && !strcmp(name, CONFIG_VIDCONSOLE_AS_LCD))
+	if (!dev && !strcmp(name, CONFIG_VIDCONSOLE_AS_NAME))
 		dev = stdio_get_by_name("vidconsole");
 #endif
 
@@ -897,9 +897,9 @@
 	stdio_print_current_devices();
 #endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
 #ifdef CONFIG_VIDCONSOLE_AS_LCD
-	if (strstr(stdoutname, CONFIG_VIDCONSOLE_AS_LCD))
+	if (strstr(stdoutname, CONFIG_VIDCONSOLE_AS_NAME))
 		printf("Warning: Please change '%s' to 'vidconsole' in stdout/stderr environment vars\n",
-		       CONFIG_VIDCONSOLE_AS_LCD);
+		       CONFIG_VIDCONSOLE_AS_NAME);
 #endif
 
 #ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE