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/boston64r2_defconfig b/configs/boston64r2_defconfig
index c3c4f12..a7c6780 100644
--- a/configs/boston64r2_defconfig
+++ b/configs/boston64r2_defconfig
@@ -20,6 +20,7 @@
CONFIG_FIT_BEST_MATCH=y
CONFIG_OF_STDOUT_VIA_ALIAS=y
CONFIG_SYS_PROMPT="boston # "
+CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=282
# CONFIG_CMD_ELF is not set
CONFIG_CMD_GREPENV=y