nuke obsolete kernel include dir

...dm5120/files/include/asm-mips/mach-adm5120/adm5120_defs.h

...dm5120/files/include/asm-mips/mach-adm5120/adm5120_info.h

...dm5120/files/include/asm-mips/mach-adm5120/adm5120_intc.h

...dm5120/files/include/asm-mips/mach-adm5120/adm5120_mpmc.h

...dm5120/files/include/asm-mips/mach-adm5120/adm5120_nand.h

...20/files/include/asm-mips/mach-adm5120/adm5120_platform.h

...5120/files/include/asm-mips/mach-adm5120/adm5120_switch.h

...dm5120/files/include/asm-mips/mach-adm5120/adm5120_uart.h

...x/adm5120/files/include/asm-mips/mach-adm5120/asm/sizes.h

...les/include/asm-mips/mach-adm5120/cpu-feature-overrides.h

.../linux/adm5120/files/include/asm-mips/mach-adm5120/gpio.h

...t/linux/adm5120/files/include/asm-mips/mach-adm5120/irq.h

...dm5120/files/include/asm-mips/mach-adm5120/prom/admboot.h

...ux/adm5120/files/include/asm-mips/mach-adm5120/prom/cfe.h

...dm5120/files/include/asm-mips/mach-adm5120/prom/generic.h

...m5120/files/include/asm-mips/mach-adm5120/prom/myloader.h

...120/files/include/asm-mips/mach-adm5120/prom/routerboot.h

.../adm5120/files/include/asm-mips/mach-adm5120/prom/zynos.h

...t/linux/adm5120/files/include/asm-mips/mach-adm5120/war.h