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/sama5d2_ptc_ek_mmc_defconfig b/configs/sama5d2_ptc_ek_mmc_defconfig
index b2c5317..f3e515b 100644
--- a/configs/sama5d2_ptc_ek_mmc_defconfig
+++ b/configs/sama5d2_ptc_ek_mmc_defconfig
@@ -25,6 +25,7 @@
# CONFIG_DISPLAY_BOARDINFO is not set
CONFIG_MISC_INIT_R=y
CONFIG_HUSH_PARSER=y
+CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=276
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_DM=y