[U-Boot] link error in MPC8313ERDB_NAND_33_config or MPC8313ERDB_NAND_66_config

[wanjiutuan]

In LTIB， first  I executed such command “make MPC8313ERDB_NAND_33_config；
make”，

There are some link errors in nand_spl, such as “undefined reference
restgprXXX”, but for u-boot ,there is no problems.