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/eb_cpu5282_defconfig b/configs/eb_cpu5282_defconfig
index bf9177b..60eab39 100644
--- a/configs/eb_cpu5282_defconfig
+++ b/configs/eb_cpu5282_defconfig
@@ -3,6 +3,7 @@
 CONFIG_SYS_TEXT_BASE=0xFF000000
 CONFIG_SYS_EXTRA_OPTIONS="SYS_MONITOR_BASE=0xFF000400"
 CONFIG_BOOTDELAY=5
+# CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_SYS_PROMPT="\nEB+CPU5282> "
 # CONFIG_CMD_LOADB is not set
 CONFIG_CMD_I2C=y