meta: Don't use deprecated bitbake API

These have been deprecated for a long time, convert the remaining
references to the correct modules and prepare for removal of the
compatibility support from bitbake.

(From OE-Core rev: 6a39835af2b2b3c7797fe05479341d71a3f3aaf6)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/classes/kernel-yocto.bbclass

@@ -9,7 +9,7 @@ def find_patches(d):
     patches = src_patches(d)
     patch_list=[]
     for p in patches:
-        _, _, local, _, _, _ = bb.decodeurl(p)
+        _, _, local, _, _, _ = bb.fetch.decodeurl(p)
         patch_list.append(local)
 
     return patch_list