common/Kconfig: Add DISPLAY_CPUINFO

Create a Kconfig entry for DISPLAY_CPUINFO 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/ap143_defconfig b/configs/ap143_defconfig
index 27b5c17..5bb9350 100644
--- a/configs/ap143_defconfig
+++ b/configs/ap143_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TARGET_AP143=y
 CONFIG_DEFAULT_DEVICE_TREE="ap143"
 CONFIG_BOOTDELAY=3
+CONFIG_DISPLAY_CPUINFO=y
 CONFIG_SYS_PROMPT="ap143 # "
 # CONFIG_CMD_BDI is not set
 # CONFIG_CMD_CONSOLE is not set