Converted ARMV5L from OABI to EABI with VFP support. Added patches for uClibc and uClibc++ to deal with Unwind Exception handling, made uClibc++ pull in libgcc_eh for this as well, and disabled SJLJ exceptions for ARMV5L EABI, which is apparently required, so --enable-sjlj-exceptions was added to the details file for all the other arches. Also correct the GENTOO_CHOST variable for armeb.

# Power PC system

source "$CONFIG_DIR/powerpc/details"

CROSS_TARGET=powerpc-unknown-linux
GCC_FLAGS="--with-cpu=440fp --with-tune=440fp ${GCC_FLAGS}"
BINUTILS_FLAGS="--with-cpu=440fp --with-tune=440fp"

emulator_command()
{
  echo qemu-system-ppc -M bamboo $(qemu_defaults "$@")
}