RK3568 fail with 2023.11.0

[Alexander Shiyan <eagle.alexander923@gmail.com>]

Hello All.

The latest version of the barebox does not work on a RK3568 with 4G memory.
With a similar board with 2G memory, everything works fine.
...
NOTICE:  BL31: v2.3():v2.3-607-gbf602aff1:cl
NOTICE:  BL31: Built : 10:16:03, Jun  5 2023
INFO:    GICv3 without legacy support detected.
INFO:    ARM GICv3 driver initialized in EL3
INFO:    pmu v1 is valid 220114
INFO:    Using opteed sec cpu_context!
INFO:    boot cpu mask: 0
INFO:    BL31: Initializing runtime services
WARNING: No OPTEE provided by BL2 boot loader, Booting device without
OPTEE initialization. SMC`s destined for OPTEE will return SMC_UNK
ERROR:   Error initializing runtime service opteed_fast
INFO:    BL31: Preparing for EL3 exit to normal world
INFO:    Entry point address = 0xb00000
INFO:    SPSR = 0x3c9
>rockchip-dmc: rockchip_sdram_size(reg2=1000eaf1, reg3=30000001)
rockchip-dmc: rank 2 cs0_col 10 cs1_col 10 bk 3 cs0_row 16 cs1_row 16
bw 2 row_3_4 0
rockchip-dmc: rk3568_ram0_size() = 4026531840
uncompress.c: memory at 0x00a00000, size 0xef600000
mmu: enabling MMU, ttb @ 0xeffe0000
===STALL HERE===

Through various manipulations, I identified the faulty patch: "ARM:
mmu64: mark barebox text section executable during early init".
After its rollback everything works as it should.