llist: Add back llist_add_batch() and llist_del_first() prototypes
llist: Add back llist_add_batch() and llist_del_first() prototypes

Commit 1230db8e1543 ("llist: Make some llist functions inline")
has deleted the definitions, causing problems for (not upstream yet)
code that tries to make use of them.

Signed-off-by: Stephen Rothwell <4bf0fb350827ce8d86875e76c923a478597c3cef@canb.auug.org.au>
Acked-by: Peter Zijlstra <3fddac958924aef220f202ca567388ddab3f14a8@infradead.org>
Cc: Huang Ying <b1ed892af366400004b51f70e40351e33707b6c4@intel.com>
Cc: David Miller <fe08d3c717adf2ae63592e4c9aec6e3e404d8e3e@davemloft.net>
Link: adcd86e3de8f08b65ffb82278d3564553c142fd4@canb.auug.org.au
Signed-off-by: Ingo Molnar <9dbbbf0688fedc85ad4da37637f1a64b8c718ee2@elte.hu>

KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas