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/bcm96753ref_ram_defconfig b/configs/bcm96753ref_ram_defconfig
index 8f69f86..ac710f4 100644
--- a/configs/bcm96753ref_ram_defconfig
+++ b/configs/bcm96753ref_ram_defconfig
@@ -24,6 +24,7 @@
CONFIG_SYS_CONSOLE_IS_IN_ENV=y
CONFIG_HUSH_PARSER=y
CONFIG_SYS_MAXARGS=24
+CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=276
# CONFIG_CMD_BOOTD is not set
# CONFIG_BOOTM_NETBSD is not set