autotools/base/icecc: Remove prepend from function names

Using prepend as part of a function name is a poor choice. Whilst we're
about to make the syntax explict, improve the names anyway making the
conversion easier and the intent clear that this isn't an override.

(From OE-Core rev: 9d002acae720b0a8e96a6734424a142b86880461)

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

meta/classes/autotools.bbclass

@@ -1,4 +1,4 @@
-def autotools_dep_prepend(d):
+def get_autotools_dep(d):
     if d.getVar('INHIBIT_AUTOTOOLS_DEPS'):
         return ''
 
@@ -19,7 +19,7 @@ def autotools_dep_prepend(d):
 
     return deps
 
-DEPENDS_prepend = "${@autotools_dep_prepend(d)} "
+DEPENDS_prepend = "${@get_autotools_dep(d)} "
 
 inherit siteinfo