[FS#1511] Belkin F5D8235 v1 (most likely all rt288x devices) are broken on Linux 4.14

[LEDE Bugs]

A new Flyspray task has been opened.  Details are below. 

User who did this - NotTheEvilOne (NotTheEvilOne) 

Attached to Project - OpenWrt/LEDE Project
Summary - Belkin F5D8235 v1 (most likely all rt288x devices) are broken on Linux 4.14
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Critical
Priority - Very Low
Reported Version - Trunk
Due in Version - Undecided
Due Date - Undecided
Details - For kernel 4.9 the router boots correctly but on 4.14 the following panic occurs:
[    0.000000] Failed to request intc memory
[    0.000000] Kernel panic - not syncing: Failed to request resources for ralink,rt2880-sysc

Same happens when adding "syscon" to the compatible string.

Complete boot log:

   Image Name:   MIPS OpenWrt Linux-4.14.34
   Created:      2018-04-20   8:36:42 UTC

 System Control Status = 0x02910084
   Image Type:   MIPS Linux Kernel Image (lzma compressed)
   Data Size:    1443112 Bytes =  1.4 MB
   Load Address: 88000000
   Entry Point:  88000000
   Verifying Checksum ... OK
   Uncompressing Kernel Image ... OK
No initrd
## Transferring control to Linux (at address 88000000) ...
## Giving linux memsize in MB, 32

Starting kernel ...

[    0.000000] Linux version 4.14.34 (fam-wolf at loki) (gcc version 7.3.0 (OpenWrt GCC 7.3.0 r6653-c0bbb9703f)) #0 Fri Apr 20 08:36:42 2018
[    0.000000] SoC Type: Ralink RT2880 id:2 rev:1
[    0.000000] bootconsole [early0] enabled
[    0.000000] CPU0 revision is: 0001906c (MIPS 4KEc)
[    0.000000] MIPS: machine is Belkin F5D8235 v1
[    0.000000] Determined physical RAM map:
[    0.000000]  memory: 02000000 @ 08000000 (usable)
[    0.000000] Wasting 1048576 bytes for tracking 32768 unused pages
[    0.000000] Initrd not found or empty - disabling initrd
[    0.000000] Primary instruction cache 16kB, VIPT, 4-way, linesize 16 bytes.
[    0.000000] Primary data cache 16kB, 4-way, VIPT, no aliases, linesize 16 bytes
[    0.000000] Zone ranges:
[    0.000000]   Normal   [mem 0x0000000000000000-0x0000000009ffffff]
[    0.000000] Movable zone start for each node
[    0.000000] Early memory node ranges
[    0.000000]   node   0: [mem 0x0000000000000000-0x0000000009ffffff]
[    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000009ffffff]
[    0.000000] random: get_random_bytes called from start_kernel+0x8c/0x474 with crng_init=0
[    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 40640
[    0.000000] Kernel command line: console=ttyS0,57600 rootfstype=squashfs,jffs2
[    0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
[    0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
[    0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
[    0.000000] Memory: 25504K/163840K available (3325K kernel code, 166K rwdata, 804K rodata, 1200K init, 208K bss, 138336K reserved, 0K cma-reserved)
[    0.000000] SLUB: HWalign=16, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
[    0.000000] NR_IRQS: 256
[    0.000000] Failed to request intc memory
[    0.000000] Kernel panic - not syncing: Failed to request resources for ralink,rt2880-sysc
[    0.000000] Rebooting in 1 seconds..
[    0.000000] Reboot failed -- System halted


More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=1511