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/pogo_e02_defconfig b/configs/pogo_e02_defconfig
index cdb85d2..1882995 100644
--- a/configs/pogo_e02_defconfig
+++ b/configs/pogo_e02_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_POGO_E02=y
 CONFIG_IDENT_STRING="\nPogo E02"
 CONFIG_BOOTDELAY=3
+# CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="PogoE02> "
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set