rename CFG_ENV_IS_IN_NVRAM in CONFIG_ENV_IS_IN_NVRAM

Makefile

README

board/LEOX/elpt860/README.LEOX

board/RPXlite_dw/README

common/cmd_nvedit.c

common/env_nvram.c

cpu/mpc8xx/cpu_init.c

include/configs/ADCIOP.h

include/configs/AP1000.h

include/configs/Alaska8220.h

include/configs/AmigaOneG3SE.h

include/configs/BAB7xx.h

include/configs/BMW.h

include/configs/CPCI405.h

include/configs/CPCI4052.h

include/configs/CPCI405DT.h

include/configs/ELPPC.h

include/configs/ELPT860.h

include/configs/ERIC.h

include/configs/EXBITGEN.h