Convert CONFIG_SYS_CBSIZE to Kconfig
This converts the following to Kconfig:
CONFIG_SYS_CBSIZE
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/mscc_servalt_defconfig b/configs/mscc_servalt_defconfig
index 018c618..cf1c4db 100644
--- a/configs/mscc_servalt_defconfig
+++ b/configs/mscc_servalt_defconfig
@@ -22,6 +22,7 @@
CONFIG_DISPLAY_CPUINFO=y
CONFIG_BOARD_EARLY_INIT_R=y
CONFIG_SYS_PROMPT="servalt # "
+CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=283
# CONFIG_CMD_BDI is not set
# CONFIG_CMD_CONSOLE is not set