syscalls: Add kernel versions for x32 syscalls

Add the kernel versions in which the x32 syscalls were added to the
kernel.  This was done by running the following:

	$ cd tools
	$ ./scmp_kernel_versions.py -a x32 -k <kernel-source-path>
	$ mv ../src/syscalls.csv.tmp ../src/syscalls.csv

Signed-off-by: Tom Hromatka <[email protected]>

Author: drakenclimber