Convert CONFIG_SYS_PBSIZE to Kconfig
This converts the following to Kconfig:
CONFIG_SYS_PBSIZE
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/ls1021aqds_nor_SECURE_BOOT_defconfig b/configs/ls1021aqds_nor_SECURE_BOOT_defconfig
index 6b6cf1f..2e44168 100644
--- a/configs/ls1021aqds_nor_SECURE_BOOT_defconfig
+++ b/configs/ls1021aqds_nor_SECURE_BOOT_defconfig
@@ -31,6 +31,7 @@
CONFIG_MISC_INIT_R=y
CONFIG_ID_EEPROM=y
CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PBSIZE=276
CONFIG_CMD_BOOTZ=y
CONFIG_CMD_IMLS=y
CONFIG_CMD_GREPENV=y