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/stm32h750-art-pi_defconfig b/configs/stm32h750-art-pi_defconfig
index e4403a2..932c78e 100644
--- a/configs/stm32h750-art-pi_defconfig
+++ b/configs/stm32h750-art-pi_defconfig
@@ -23,6 +23,7 @@
CONFIG_BOARD_EARLY_INIT_F=y
CONFIG_BOARD_LATE_INIT=y
CONFIG_SYS_PROMPT="U-Boot > "
+CONFIG_SYS_CBSIZE=256
CONFIG_SYS_PBSIZE=282
CONFIG_CMD_GPT=y
CONFIG_CMD_MMC=y