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/km_kirkwood_pci_defconfig b/configs/km_kirkwood_pci_defconfig
index fb8c1db..ba0d74d 100644
--- a/configs/km_kirkwood_pci_defconfig
+++ b/configs/km_kirkwood_pci_defconfig
@@ -24,6 +24,7 @@
CONFIG_RESET_PHY_R=y
CONFIG_HUSH_PARSER=y
CONFIG_SYS_MAXARGS=32
+CONFIG_SYS_CBSIZE=512
CONFIG_SYS_PBSIZE=532
# CONFIG_BOOTM_NETBSD is not set
# CONFIG_BOOTM_PLAN9 is not set