[F2F2] Dont use any Linux 5.6* packages on 32bit CPU

[vinibali]

All of the RC packages for the Linux 5.6 are completely broken. Compression support for F2FS seem to be contains some bug, which causes deadlocks on write operations. The fix is on the way: https://lkml.org/lkml/2020/3/6/90

$this->bbcode_second_pass_code('', '[ 242.685831] INFO: task kworker/u8:1:38 blocked for more than 120 seconds.
[ 242.692671] Tainted: G C 5.6.0-rc2-1-ARCH #1
[ 242.699260] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 242.707189] kworker/u8:1 D 0 38 2 0x00000000
[ 242.712788] Workqueue: writeback wb_workfn (flush-179:0)
[ 242.718224] [<c0ffa724>] (__schedule) from [<c0ffabc4>] (schedule+0x60/0x120)
[ 242.727170] [<c0ffabc4>] (schedule) from [<c03979b8>] (rwsem_down_write_slowpath+0x2b0/0x4d8)
[ 242.735927] [<c03979b8>] (rwsem_down_write_slowpath) from [<c079e418>] (f2fs_write_single_data_page+0x54c/0x758)
[ 242.746114] [<c079e418>] (f2fs_write_single_data_page) from [<c079e818>] (f2fs_write_cache_pages+0x1f4/0x4b8)
[ 242.756039] [<c079e818>] (f2fs_write_cache_pages) from [<c079ed40>] (f2fs_write_data_pages+0x264/0x280)
[ 242.765476] [<c079ed40>] (f2fs_write_data_pages) from [<c047f8c4>] (do_writepages+0x48/0xe8)
[ 242.773934] [<c047f8c4>] (do_writepages) from [<c0515e74>] (__writeback_single_inode+0x2c/0x1bc)
[ 242.782738] [<c0515e74>] (__writeback_single_inode) from [<c051670c>] (writeback_sb_inodes+0x1dc/0x410)
[ 242.792173] [<c051670c>] (writeback_sb_inodes) from [<c0516978>] (__writeback_inodes_wb+0x38/0xc4)
[ 242.801146] [<c0516978>] (__writeback_inodes_wb) from [<c0516b98>] (wb_writeback+0x194/0x1dc)
[ 242.809685] [<c0516b98>] (wb_writeback) from [<c0517d40>] (wb_workfn+0x264/0x3c8)
[ 242.817212] [<c0517d40>] (wb_workfn) from [<c035fc10>] (process_one_work+0x1d4/0x41c)
[ 242.825058] [<c035fc10>] (process_one_work) from [<c035fea4>] (worker_thread+0x4c/0x528)
[ 242.833166] [<c035fea4>] (worker_thread) from [<c03663b8>] (kthread+0x124/0x150)
[ 242.840608] [<c03663b8>] (kthread) from [<c03010e8>] (ret_from_fork+0x14/0x2c)
[ 242.847850] Exception stack(0xeea3bfb0 to 0xeea3bff8)
[ 242.852947] bfa0: 00000000 00000000 00000000 00000000
[ 242.861137] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 242.869323] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000')

[vinibali]

The fix is coming in 5.7.
https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/commit/?h=dev-test&id=e36d8816848a4201420ad318f95b97bc86a58ade