include: delete unused header files

include/amba_clcd.h

include/asm-generic/global_data_flags.h

include/at45.h

include/at91rm9200_i2c.h

include/at91rm9200_net.h

include/bcm5221.h

include/configs/AdderUSB.h

include/configs/EXBITGEN.h

include/configs/MVS1.h

include/configs/ORSG.h

include/configs/mpq101.h

include/configs/tb0229.h

include/cramfs/cramfs_fs_sb.h

include/da9030.h

include/dm9161.h

include/faraday/ftsdc021.h

include/ks8721.h

include/linux/mtd/inftl-user.h

include/linux/mtd/jffs2-user.h

include/smiLynxEM.h