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/sbc8548_PCI_33_defconfig b/configs/sbc8548_PCI_33_defconfig
index 1fd17ca..568da28 100644
--- a/configs/sbc8548_PCI_33_defconfig
+++ b/configs/sbc8548_PCI_33_defconfig
@@ -5,6 +5,7 @@
 CONFIG_OF_STDOUT_VIA_ALIAS=y
 CONFIG_SYS_EXTRA_OPTIONS="PCI,33"
 CONFIG_BOOTDELAY=10
+# CONFIG_DISPLAY_BOARDINFO is not set
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_I2C=y
 # CONFIG_CMD_SETEXPR is not set