linux-samsung-a30: update source and fix build (MR 6267)

device/testing/linux-samsung-a30/APKBUILD

device/testing/linux-samsung-a30/config-samsung-a30.aarch64

device/testing/linux-samsung-a30/decon_fix.patch

device/testing/linux-samsung-a30/dont_skip_initramfs.patch

device/testing/linux-samsung-a30/fix-check-lxdialog.patch

device/testing/linux-samsung-a30/ifdef_exynos_fimc_is2.patch

...inux-samsung-a30/ifdef_knox_ncm_nf_conntrack_core_c.patch

device/testing/linux-samsung-a30/ifdef_knox_ncm_sock_c.patch

device/testing/linux-samsung-a30/ifdef_knox_ncm_udp_c.patch

...-a30/linux4.2-gcc10-extern_YYLOC_global_declaration.patch

device/testing/linux-samsung-a30/makefiles_fix.patch

device/testing/linux-samsung-a30/rem_android_ifdef.patch

.../testing/linux-samsung-a30/skip_abox_itmon_notifier.patch

device/testing/linux-samsung-a30/use-pmos-fw-loc.patch