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/M5249EVB_defconfig b/configs/M5249EVB_defconfig
index 1588c52..6c77da4 100644
--- a/configs/M5249EVB_defconfig
+++ b/configs/M5249EVB_defconfig
@@ -1,6 +1,7 @@
 CONFIG_M68K=y
 CONFIG_TARGET_M5249EVB=y
 CONFIG_SYS_TEXT_BASE=0xffe00000
+# CONFIG_DISPLAY_BOARDINFO is not set
 # CONFIG_AUTOBOOT is not set
 CONFIG_LOOPW=y
 # CONFIG_CMD_SETEXPR is not set