Assembler errors when compiling sleep33xx.S of beaglebone kernel with ubuntu arm gcc

Hey all!

I want to compile a kernel derived from () with the standard arm gcc from ubuntu.
$ arm-linux-gnueabi-gcc-4.9 --version
arm-linux-gnueabi-gcc-4.9 (Ubuntu/Linaro 4.9.3-4ubuntu1) 4.9.3