fvp_r: do not include linux expect script

FVP_R currently does not support secondary CPU boot, which causes a
failure in linux expect script after commit e616a5c5c.

Temporarily disable including this expect file.

Signed-off-by: Manish Pandey <manish.pandey2@arm.com>
Change-Id: I8318ac02810f384494032348d197226135e10021
1 file changed