Convert CONFIG_LBA48 et al to Kconfig

This converts the following to Kconfig:
   CONFIG_LBA48
   CONFIG_SYS_64BIT_LBA

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/uDPU_defconfig b/configs/uDPU_defconfig
index 613a81b..a17bdd8 100644
--- a/configs/uDPU_defconfig
+++ b/configs/uDPU_defconfig
@@ -54,6 +54,8 @@
 CONFIG_NET_RETRY_COUNT=50
 CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_AHCI_MVEBU=y
+CONFIG_LBA48=y
+CONFIG_SYS_64BIT_LBA=y
 CONFIG_CLK=y
 CONFIG_CLK_MVEBU=y
 CONFIG_DM_I2C=y