common: Add DISPLAY_BOARDINFO

Create a Kconfig entry for DISPLAY_BOARDINFO and make it be the default
in certain architectures.  Migrate all config files.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/flea3_defconfig b/configs/flea3_defconfig
index f6e01c1..7aa1ba8 100644
--- a/configs/flea3_defconfig
+++ b/configs/flea3_defconfig
@@ -2,6 +2,7 @@
 CONFIG_TARGET_FLEA3=y
 CONFIG_FIT=y
 CONFIG_BOOTDELAY=3
+# CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="flea3 U-Boot > "
 CONFIG_CMD_SPI=y