kernel-selftest: Fix build on 32bit arches with 64bit time_t

Fix warning where S is expected to exist before do_configure

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-kernel/kernel-selftest/kernel-selftest.bb

@@ -12,6 +12,7 @@ SRC_URI:append:libc-musl = "\
                       "
 SRC_URI += "file://run-ptest \
             file://COPYING \
+            file://0001-selftests-timers-Fix-clock_adjtime-for-newer-32-bit-.patch \
             "
 
 # now we just test bpf and vm
@@ -149,6 +150,8 @@ remove_unrelated() {
     fi
 }
 
+do_configure[dirs] = "${S}"
+
 PACKAGE_ARCH = "${MACHINE_ARCH}"
 
 INHIBIT_PACKAGE_DEBUG_SPLIT="1"