Convert CONFIG_SYS_CONSOLE_INFO_QUIET to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_CONSOLE_INFO_QUIET

Signed-off-by: Simon Glass <sjg@chromium.org>
[trini: Make this default n, re-run the migration]
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/am43xx_evm_ethboot_defconfig b/configs/am43xx_evm_ethboot_defconfig
index 99d0990..7090fd1 100644
--- a/configs/am43xx_evm_ethboot_defconfig
+++ b/configs/am43xx_evm_ethboot_defconfig
@@ -3,6 +3,7 @@
 CONFIG_TARGET_AM43XX_EVM=y
 CONFIG_SPL_YMODEM_SUPPORT=y
 CONFIG_SYS_EXTRA_OPTIONS="SERIAL1,CONS_INDEX=1,NAND"
+CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_VERSION_VARIABLE=y
 CONFIG_SPL=y
 CONFIG_SPL_ETH_SUPPORT=y