ams: revamp target firmware

find -exec sed -i'' -e 's/2018-2019 Atmo/2018-2020 Atmo/g' {} +

atmosphere: current year is 2019

exo: theoretical support for moved MAILBOX page

Add single source of truth for target firmwares.

Add and fix copyright notices for better GPL compliance (thanks @naehrwert and @CTCaer).

exo: tabs->spaces...

Exosphere: Change physical segment maps depending on firmware version

Exosphere: Fix remaining crt0 bugs, we now make it to pk2ldr.

Exosphere: Fix bug, we now make it past MMU enable.

Exosphere: Copy initial data image to DRAM for coldboot init.

Exosphere: Fix relocation bug (warmboot relocs currently broken in edge case)

[exosphere] Rewrite crt0/init and ld script

Exosphere: Fix crt0 bug resulting in bad relocation calculations

Integrate 5.x SMC API changes, add 4.x specific setup, implement target firmware selection

Fix func_copy null deref (?)

Fix latest commit and set MAILBOX_NX_SECMON_BOOT_TIME

Fix coldboot init (presentations lie)

Finish writing warmboot _crt0_

Fix section alignment, attempt to clean up the crt0 a bit

Cleanup TODOs, implement bootconfig SCR_EL3 bit setting

Finish bootup_misc_mmio() - Cur build gets to end of pk2ldr.

Add coldboot mmio init (for non 4.x), required for FLOW writes to succeed.

Fix coldboot init, Exosphere makes it to PK2LDR in this commit.

Rewrite relocation stuff

Implements missings parts of pk2ldr, refactor relocation a bit

Make clear_bss work regardless of load address

Fix tzram_map_all_segments

Can't copy to VAs if VA don't exist (at that point of the program)

Fix the set_memory_registers_enable_mmu call