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/ti814x_evm_defconfig b/configs/ti814x_evm_defconfig
index e66ea7d..5c65e11 100644
--- a/configs/ti814x_evm_defconfig
+++ b/configs/ti814x_evm_defconfig
@@ -10,6 +10,7 @@
 CONFIG_SPL_YMODEM_SUPPORT=y
 CONFIG_BOOTDELAY=1
 CONFIG_VERSION_VARIABLE=y
+# CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_SPL=y
 CONFIG_HUSH_PARSER=y
 CONFIG_SYS_PROMPT="U-Boot# "