* include/linux/arm/syscall.h: Add support for M2-Planet.
* lib/linux/arm-mes-m2/_exit.c,
lib/linux/arm-mes-m2/_write.c,
lib/linux/arm-mes-m2/crt1.M1,
lib/linux/arm-mes-m2/crt1.c,
lib/linux/arm-mes-m2/syscall.c,
lib/m2/arm/ELF-arm.hex2,
lib/m2/arm/arm_defs.M1: New files.
* build-aux/build.sh.in: Also allow kaem build for ARM.
