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/am335x_shc_netboot_defconfig b/configs/am335x_shc_netboot_defconfig
index c6a6a1d..520d17c 100644
--- a/configs/am335x_shc_netboot_defconfig
+++ b/configs/am335x_shc_netboot_defconfig
@@ -18,6 +18,7 @@
 CONFIG_SPL_STACK_R_ADDR=0x82000000
 CONFIG_SPL_YMODEM_SUPPORT=y
 CONFIG_FIT=y
+CONFIG_SYS_CONSOLE_INFO_QUIET=y
 CONFIG_VERSION_VARIABLE=y
 CONFIG_SPL=y
 CONFIG_SPL_STACK_R=y