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/M5253DEMO_defconfig b/configs/M5253DEMO_defconfig
index e758873..621cb8f 100644
--- a/configs/M5253DEMO_defconfig
+++ b/configs/M5253DEMO_defconfig
@@ -2,6 +2,7 @@
 CONFIG_TARGET_M5253DEMO=y
 CONFIG_SYS_TEXT_BASE=0xFF800000
 CONFIG_BOOTDELAY=5
+# CONFIG_DISPLAY_BOARDINFO is not set
 # CONFIG_CMD_SETEXPR is not set
 CONFIG_CMD_PING=y
 CONFIG_CMD_CACHE=y