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/P4080DS_SPIFLASH_defconfig b/configs/P4080DS_SPIFLASH_defconfig
index 56da9d8..90b4688 100644
--- a/configs/P4080DS_SPIFLASH_defconfig
+++ b/configs/P4080DS_SPIFLASH_defconfig
@@ -26,6 +26,7 @@
CONFIG_BOARD_EARLY_INIT_R=y
CONFIG_ID_EEPROM=y
CONFIG_HUSH_PARSER=y
+CONFIG_SYS_PBSIZE=276
CONFIG_CMD_IMLS=y
CONFIG_CMD_GREPENV=y
CONFIG_CMD_I2C=y