kmod-sched-cake: bump to latest cake 2018-05-07

kmod-sched-cake: bump to latest cake 2018-05-07

No functional change.  Code tidy ups.

735eaf2 Make sure we don't reallocate q->tins (we didn't anyway but his
really makes sure)
6c5ad6e Get rid of __GFP_NOWARN flag for memory allocation
2a37333 Don't need the wrapper for kvfree, and no need to check before calling it
2b1c631 Whitespace fix
7fe6e28 compat tidyup (for older kernel versions <4.4)
93b805c pedant tidy up superfluous semicolons on switch statements

Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>