Pass screen status and mmc struct from stage1 to 2

Merge pull request #114 from desowin/sdmmc-errata ...

Set SDMMC controller to SDR104 as a workaround

fusee: Add kernel hash for 4.x

Fusee: Add 5.x kernel patches to allow for IPC PID mitm.

Fusee: Add mechanism for branching back at end of hook.

Fix CCPLEX bringup and halt the BPMP once it's done booting. (#118)

Fusee: Add infrastructure for applying kernel patches (needed for mitm)

Fusee: Separate kernel patching into its own file.

Set SDMMC controller to SDR104 as a workaround ...

According to Tegra X1 Series Processors Silicon Errata there is possible
misalignment of received data which results in a CRC error. The issue is
present only in SDR50 mode.

Refactor fusee's makefile

Fix mmc->allow_voltage_switching assignment in sdmmc_init

Copy latest sdmmc driver to stage2

Add debug comment for exosphère

Unstub "Validate section hashes."

fusee: work around some dual-init SDMMC issues

Stage1: fix SE issue too

Fusee: Fix se_calculate_sha256

Use uintX_t for the SE & copy bugfixed SE struct definition

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

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