Fix the set_memory_registers_enable_mmu call

Fix ttbl init pointer arith bug, other fixes

Implement flush_dcache_all_tzram_pa and invalidate_icache_all_inner_shareable_tzram_pa for the crt0s

Implement and use set_memory_registers_enable_mmu

Fix wrongly named register in __set_memory_registers, add prototype

Use provided __libc_init_array and __libc_fini_array, bugfixes

Skeleton smcCpuOff, fix building, fix smcConfigureCarveout

Rewrite the memory map-related code... ...

...other style fixes, etc.

Move source files to src/, add Makefile, fix all build and linkage errors, etc.