mtd: maps: Make uclinux_ram_map static

The blackfin architecture has been removed a while ago, so there is
no more need to declare uclinux_ram_map as a global structure.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Richard Weinberger <richard@nod.at>

drivers/mtd/maps/uclinux.c

@@ -31,13 +31,7 @@
 #define MAP_NAME "ram"
 #endif
 
-/*
- * Blackfin uses uclinux_ram_map during startup, so it must not be static.
- * Provide a dummy declaration to make sparse happy.
- */
-extern struct map_info uclinux_ram_map;
-
-struct map_info uclinux_ram_map = {
+static struct map_info uclinux_ram_map = {
 	.name = MAP_NAME,
 	.size = 0,
 };