Don't enable graphite for arm-eabi-4.8
Causing kernel build errors on grouper

fs/cifs/cifsfs.c:1:0: sorry, unimplemented: Graphite loop optimizations cannot be used (-fgraphite, -fgraphite-identity, -floop-block, -floop-interchange, -floop-strip-mine, -floop-parallelize-all, and -ftree-loop-linear)
 /*
 ^
make[2]: *** [fs/cifs/cifsfs.o] Error 1
make[1]: *** [fs/cifs] Error 2
make: *** [fs] Error 2

Change-Id: Ic8a628ce7d32f942fefc19ee66e63c10d341f353
Signed-off-by: Paul Beeler <sparksco@gmail.com>
remove cloog and isl from arm-eabi-4.7
Signed-off-by: Paul Beeler <sparksco@gmail.com>

Change-Id: I2a11f2a7b7bf81eed33b8652377669f502064e73