rename CFG_ENV_IS_IN_EEPROM in CONFIG_ENV_IS_IN_EEPROM

README

board/Marvell/common/bootseq.txt

board/evb64260/bootseq.txt

board/netstal/hcu5/README.txt

board/xilinx/ml300/ml300.c

board/xilinx/xilinx_iic/iic_adapter.c

common/cmd_eeprom.c

common/cmd_nvedit.c

common/env_eeprom.c

include/configs/APC405.h

include/configs/ASH405.h

include/configs/Alaska8220.h

include/configs/B2.h

include/configs/CANBT.h

include/configs/CCM.h

include/configs/CMS700.h

include/configs/CPCI2DP.h

include/configs/CPCI405.h

include/configs/CPCI4052.h

include/configs/CPCI405AB.h