community/zram-init: upgrade to 10.5

add build() function and tweak make in it
remove default-lz4.patch, kernel now support zstd
7 jobs for !12649 with zram-init-10.5 in 1 minute and 5 seconds
detached
Status Job ID Name Coverage
  Lint
passed #211558
docker-alpine x86_64
lint

00:00:23

 
  Build
passed #211563
docker-alpine ci-build aarch64
build-aarch64

00:00:28

passed #211564
docker-alpine ci-build armv7
build-armv7

00:00:33

passed #211562
docker-alpine ci-build ppc64le
build-ppc64le

00:00:41

passed #211561
docker-alpine ci-build s390x
build-s390x

00:00:22

passed #211560
docker-alpine ci-build x86
build-x86

00:00:22

passed #211559
docker-alpine ci-build x86_64
build-x86_64

00:00:25