kmod: upgrade to 20

The following patches are rebased.
-- Change-to-calling-bswap_-instead-of-htobe-and-be-toh.patch
-- avoid_parallel_tests.patch

The ptest part of kmod is removed because new version of kmod port all tests to
use modules from module-playground instead of copying prebuilt modules to the
repository. So, we cannot use ptest as before. Remove it so that kmod can build
successfully.

(From OE-Core rev: f80d136bdd578468035a88125fa1b84973fd912b)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-kernel/kmod/kmod_git.bb

@@ -33,27 +33,12 @@ do_install_append () {
 
         # install depmod.d file for search/ dir
         install -Dm644 "${WORKDIR}/depmod-search.conf" "${D}${base_libdir}/depmod.d/search.conf"
-
-        if ${@base_contains('DISTRO_FEATURES', 'ptest', 'true', 'false', d)}; then
-                find testsuite -name *.ko -exec tar rf testmodule.tar {} \;
-                find testsuite -name *.ko -exec rm -f {} \;
-        fi
 }
 
 do_compile_prepend() {
             sed -i 's/ac_pwd=/#ac_pwd=/' config.status ; sed -i "/#ac_pwd=/a\ac_pwd='.'" config.status
 }
 
-do_compile_ptest () {
-        oe_runmake buildtest-TESTS rootfs
-}
-
-do_install_ptest () {
-        install testmodule.tar ${D}${PTEST_PATH}
-}
-
-INSANE_SKIP_${PN}-ptest = "arch"
-
 inherit update-alternatives
 
 ALTERNATIVE_PRIORITY = "60"