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/kylin-rk3036_defconfig b/configs/kylin-rk3036_defconfig
index d8b1eed..424cdab 100644
--- a/configs/kylin-rk3036_defconfig
+++ b/configs/kylin-rk3036_defconfig
@@ -4,6 +4,7 @@
 CONFIG_TARGET_KYLIN_RK3036=y
 CONFIG_SPL_STACK_R_ADDR=0x80000
 CONFIG_DEFAULT_DEVICE_TREE="rk3036-sdk"
+# CONFIG_DISPLAY_CPUINFO is not set
 CONFIG_SPL_STACK_R=y
 CONFIG_HUSH_PARSER=y
 CONFIG_CMD_BOOTZ=y