Blackfin: adi boards: enable pretty flash progress output

For only ~150 bytes increase in size, we can get a nice flash progress
indicator rather than just the boring dots (which don't tell too much
about overall progress).  So enable it for all ADI boards.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>

include/configs/bfin_adi_common.h

@@ -276,6 +276,11 @@
 # define CONFIG_NET_RETRY_COUNT 20
 #endif
 
+/*
+ * Flash Settings
+ */
+#define CONFIG_FLASH_SHOW_PROGRESS 45
+
 /*
  * SPI Settings
  */