Stage2: Fix bug, add more debug printfs to nxboot. The CCPLEX doesn't turn on

Stage2: fix various bugs in package2.c

Fix bug in stratosphere_get_ini1, etc.

stage2: package2: bypass hash checks for now

Stage1: fix potential alignment issue

Exosphere: Fix extremely spooky Security Engine bugs, now makes it to the end of package2loader.

fusee: improve SDR104 frequency and support AUTOCMD23

Stage2: Add exception handlers

Fix stack overflow when chainloading stage2

Fix exception handlers (thanks @fincs)

[stage1] Add exception handlers... which somehow don't work?

Fusee use CAR reboot for fatal errors

Remove packed when not needed

Don't check for panics in stage2

wtf pmc reboot doesn't fully work -- display doesn't reinitialize

Introduce fatal_error

fusee: correct computation of tuning block size

fusee: begin adding support for MMC HS modes

fusee: SD: implement tuning, allowing for all SD UHS-I speed

fusee: SD driver: implement everything necessary for UHS except tuning

fusee: correct constants in CAR

fusee: handle SDMMC speeds sanely

Add custom panic driver

Make struct tegra_pmc not packed

Actually don't use memcpy in sdmmc

Sync sdmmc changes between stage1 and 2

Use memcpy instead of raw casts in sdmmc.c

Revamp all the Makefiles (thanks @fincs @WinterMute) ...

... dependencies are now properly handled (e.g. header changes, etc.)

fusee sdmmc: don't time out on long reads

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